BlogViral

Show HN: Santamon – Lightweight macOS threat detection agent a lightweight macOS detection agent that taps into Santa’s Endpoint Security telemetry, runs CEL detection rules locally on-device, and only ships high-signal alerts to a tiny backend. basically a poor man’s macOS EDR for home labs and small fleets! https://ift.tt/KwX4sja November 23, 2025 at 12:41AM

Show HN: Onlymaps, a Python Micro-ORM https://ift.tt/nty6Jq0 November 22, 2025 at 09:54PM

Show HN: Mint – an open-source photo editor and digital compositor for the web A friend and I built a small multipurpose digital compositing tool meant to provide most of what you'd need for day-to-day meme-making, image markups, and collage creation in a static web app. Combines what I love about web platforms like Canva with a lower barrier to entry than heavyweight tools like the beloved Photopea. Basic mobile support included. Built in Svelte, with a dirt simple Canvas-powered rendering engine. Feature requests/bug reports/PR's strongly encouraged @ https://ift.tt/RvirUBh https://mint.photo/ November 22, 2025 at 11:42PM

Show HN: Transcribe Your Voice in Terminal Locally Use hns, a speech-to-text CLI tool to transcribe your voice from your microphone directly to clipboard. Integrate hns with Claude Code, Ollama, LLM, and more CLI tools for powerful workflows. hns transcribes your voice 100% locally using faster-whisper. The whisper model is downloaded automatically on first run and after that, hns can be used completely offline. After transcription, the text is displayed in the terminal (written to stdout) as well as automatically copied to your clipboard, ready to be pasted anywhere with Ctrl+V or Cmd+V. GitHub: https://ift.tt/oy5dhfJ https://hns-cli.dev/ November 22, 2025 at 12:04AM

Show HN: DeepSeek-OCR with MPS and CPU Support https://twitter.com/dogacel0/status/1991629702575079783 November 21, 2025 at 11:49PM

Show HN: Markov Models and Dynamical Systems – Software and Book This is a draft of a second edition of this book from SIAM https://ift.tt/LT3fy8w... There are three things to show: 1. A pdf of the draft: https://ift.tt/zGhZ2yS 2. The hmm project which provides code for state-space models: https://ift.tt/cspAaut with documentation at https://fraserphysics.gitlab.io/hmm/ 3. The hmmds project which provides code for using state-space models to address some examples: https://ift.tt/dhHtCvL with doumentation at https://fraserphysics.gitlab.io/hmmds/ The default target for hmmds is to build the book. On my home system it takes about 10 hours to build the book. I would be grateful for comments or suggestions on any aspect of any of the three things. I am particularly interested in help with the following: 1. I use NixOS for developing. I've documented progress on making the code useful in other enviroments at https://fraserphysics.gitlab.io/hmmds/getting_started.html Please let me know i...

Show HN: Wealthfolio 2.0- Open source investment tracker. Now Mobile and Docker Hi HN, creator of Wealthfolio here. A year ago, I posted the first version. Since then, the app has matured significantly with two major updates: 1. Multi-platform Support: Now available on Mobile (iOS), Desktop (macOS, Windows, Linux), and as a Self-hosted Docker image. (Android coming soon). 2. Addons System: We added explicit support for extensions so you can hack around, vibe code your own integrations, and customize the app to fit your needs. The core philosophy remains the same: Always private, transparent, and open source. https://ift.tt/hFlMqWb November 21, 2025 at 11:34PM

Show HN: MCP Traffic Analysis Tool https://ift.tt/HUxRYFV November 18, 2025 at 01:06AM

Show HN: Tangent – DSL-free log pipeline powered by WASM Hi HN! We’re Ethan and Danny, the authors of Tangent ( https://ift.tt/4JumfkO ), a Rust-based log pipeline where all normalization, enrichment, and detection logic runs as WASM plugins. We kept seeing the same problems in the OCSF ( https://ocsf.io ) community: 1) Schemas change constantly. Large companies have whole teams dedicated to keeping vendor→OCSF mappings up to date. 2) There’s no shared library of mappings, so everyone recreates the same work. 3) Writing mappers is tedious, repetitive work. 4) Most pipelines use proprietary DSLs that are hard to share and hard for tools/LLMs to generate. Tangent takes a different approach: no DSLs – mappings and enrichments are just normal code compiled to WASM, shareable plugins – we maintain a community library ( https://ift.tt/hjdFLyf ), interoperability – we can run other engines’ DSLs (e.g., Bloblang) inside WASM for easy migration, full flexibility – plugins can validate schemas, ...

Show HN: Chrome Store–featured extension that writes X replies via DOM observers Hi HN, A couple of months ago I posted an early version of this Chrome extension. Since then I’ve refined it, fixed a bunch of stability issues, and it was recently featured on the Chrome Web Store’s “Featured” section, which was a nice surprise. What the extension does: – Detects the active tweet or thread directly in the browser – Collects relevant context (parent tweet, author info, thread shape) – Formats a prompt and sends it to the OpenAI API – Inserts the generated reply straight into Twitter’s native reply box All of this happens inside the X.com DOM, without storing any user data. Technical bits: – Uses MutationObserver to track X.com’s constantly changing DOM – Handles dynamically inserted tweet nodes, shadow DOM, and thread expansions – Debounces context extraction to avoid unnecessary re-runs – Simulates native input events to inject the reply so it feels built-in – Avoids backend state; everyt...

Show HN: I made a down detector for down detector After down detector went down with the rest of the internet during the Cloudflare outage today I decided to build a robust, independent tool which checks if down detector is down. Enjoy!! https://ift.tt/HVqdfF7 November 19, 2025 at 07:05AM

Show HN: DNS Benchmark Tool – Compare and monitor resolvers I built a CLI to benchmark DNS resolvers after discovering DNS was adding 300ms to my API requests. v0.3.0 just released with new features: compare: Test single domain across all resolvers top: Rank resolvers by latency/reliability/balanced monitor: Continuous tracking with threshold alerts 1,400+ downloads in first week. Quick start: pip install dns-benchmark-tool dns-benchmark compare --domain google.com CLI stays free forever. Hosted version (multi-region, historical tracking, alerts) coming Q1 2026. GitHub: https://ift.tt/4oiRZKW Feedback: https://forms.gle/BJBiyBFvRJHskyR57 Built with Python + dnspython. Open to questions and feedback! https://ift.tt/4oiRZKW November 20, 2025 at 12:52AM

Show HN: ChunkBack – A Fake LLM API server for testing apps without paying Hi HN, I've been working with LLMs in production for a while both as a solo dev building apps for clients and working at an AI startup. The one thing that always was a pain was to pay OpenAI/Gemini/Anthropic a few dollars a month just for me to say "test" or have a CI runner validate some UI code. So I built this server called ChunkBack, that mocks the popular llm provider's functionality but allows you to type in a deterministic language: `SAY "cheese"` or `TOOLCALL "tool_name" {} "tool response"` I've had to work in some test environments and give good results for experimenting with CI, but it's still an early project so would love feedback and more testers on. https://ift.tt/YAvIUnP November 19, 2025 at 11:12PM

Show HN: Copus – Internet gem marketplace for bookmark collectors (x402-powered) Hey HN! We’re a small team of artists, developers, and coffee lovers who’ve watched a lot of websites we love shut down over the years. We’ve been looking for a way to support them with income and exposure. We see that more people are interacting with the web through AI instead of visiting sites directly, so the ad-based model is breaking. The open web needs a new business model. Our take is to incentivize people (and, in the future, AI agents) to find and share valuable content (links), with both the finder and the original creator rewarded. Along the way we were inspired by discussions like: Pocket shut down: https://ift.tt/mBdDaCf x402 protocol: https://ift.tt/CeZczET “To survive the AI age, the web needs a new business model”: https://ift.tt/6cqGL50 Key features Social bookmarking It’s like a decentralized Digg or a Pinterest-for-websites. You can share (curate) any URI (URL) through the site or the br...

Taken with Transportation Podcast: Holiday Traditions Wrapped in Gratitude By Melissa Culross The holiday season is here, and so are the Merry Days of Muni. The Merry Days of Muni are underway, and we’re celebrating on the Taken with Transportation podcast! In our new episode, “Holiday Traditions Wrapped in Gratitude,” agency staff discuss some of their favorite things to do around the holidays. And they talk about what they’re grateful for. The season in San Francisco and on Muni From volunteering to shopping to meals with family, our staffers embrace the joy and spirit of the season. “San Francisco [at] the holidays means … people getting together, sharing love,” says Operator Gary... Published November 18, 2025 at 07:00AM https://ift.tt/l6X9bWk

Show HN: Guts – convert Golang types to TypeScript https://ift.tt/BDmK40a November 19, 2025 at 12:55AM

Show HN: Optimizing LiteLLM with Rust – When Expectations Meet Reality I've been working on Fast LiteLLM - a Rust acceleration layer for the popular LiteLLM library - and I had some interesting learnings that might resonate with other developers trying to squeeze performance out of existing systems. My assumption was that LiteLLM, being a Python library, would have plenty of low-hanging fruit for optimization. I set out to create a Rust layer using PyO3 to accelerate the performance-critical parts: token counting, routing, rate limiting, and connection pooling. The Approach - Built Rust implementations for token counting using tiktoken-rs - Added lock-free data structures with DashMap for concurrent operations - Implemented async-friendly rate limiting - Created monkeypatch shims to replace Python functions transparently - Added comprehensive feature flags for safe, gradual rollouts - Developed performance monitoring to track improvements in real-time After building out all the Rus...

Merry Days of Muni Merch Now Available: Give the Gift of Muni this Holiday Season By Glennis Markison Our new Merry Days of Muni Pajama Sets are already making us smile – and we want that for you! You may have seen our festive bus wrap along the 49 Van Ness / Mission. Now, we’re making it wearable – day and night. Our Merry Days of Muni campaign continues with a new collection of limited-edition holiday merch in The Muni Store. You'll spot our Patchwork of the City Holiday Pullover that started all the fun. And now, you can buy a Patchwork of the City Holiday Pajama Set with the same cheerful design. There are so many ways to give the gift of Muni to friends and loved ones with this new... Published November 17, 2025 at 07:00AM https://ift.tt/u4fkOT6

Show HN: ToolHop – Fast, simple utilities for every workflow ToolHop is your all-in-one browser toolbox with 200+ fast-loading calculators, converters, generators, color labs, and dev helpers. Use global search or curated categories to jump straight into the right utility, run it client-side for instant feedback, and deep-link results to your team. Whether you’re formatting copy, validating data, checking DNS, or exploring palettes, ToolHop keeps your core workflows a single tab away, and it’s entirely free, no account required. --- I built ToolHop because I was sick of the usual “free tool” bait-and-switch. Every time I needed to convert an image, compress a file, check some text, or run a quick calculation, I’d end up hitting some arbitrary limit like “10 uses per week” or a forced signup wall. It’s ridiculous how something as basic as converting a JPG to a PNG can turn into a subscription pitch. So ToolHop started as a personal frustration project: I wanted a single place with a ton...

Show HN: Octopii, a framework for building distributed applications in Rust it won't let me put url for some reason, here it is: https://ift.tt/1bnWsr0 November 17, 2025 at 11:45PM

Show HN: ResendForward – OS server and UI for use with Resend.com inbound With Resend's new inbound feature I wanted to build a simple application that handles processing webhook events and forwarding emails for multiple applications. Right now Resend requires you to implement that logic in each new application. repo - https://ift.tt/UZ3gP7n live - https://ift.tt/ogiCINP Built with react + pocketbase, extremely simple to self host. https://ift.tt/UZ3gP7n November 17, 2025 at 02:27AM

Show HN: Whirligig.live Hi guys, I stitched a few APIs together into a fun gig finder app and thought some of you might enjoy it. Warning - autoplay! https://whirligig.live November 16, 2025 at 11:35PM

Show HN: Multi-agent AI stock analyzer – 408% return trading Korean market Hey HN! I built PRISM-INSIGHT, a multi-agent system where 13 specialized AI agents collaborate to analyze Korean stocks (KOSPI/KOSDAQ). It's completely open source and has been running live since March 2025. [What it does] The system automatically detects surging stocks twice daily, generates analyst-level reports, and executes trading strategies. Each agent specializes in something different – technical analysis, trading flows, financials, news, market conditions, etc. They work together like a real research team. [Why I built this] I wanted to see if GPT-4 and GPT-5 could genuinely replicate what human analysts do, but without the typical single-agent limitations. So I split the work across multiple specialized agents that collaborate. The trading simulation has been running for 8 months now with real Korean market data. [How to try it] Join the live Telegram channel! https://ift.tt/nu27qTj (gets daily ale...

Show HN: Minivac 601 Simulator - a 1961 Relay Computer Hey HN! I'm very proud of sharing this project with you all, after ~2 years of starts and stops, and about 5 different attempts at making it. Context/history: In 1961, the Minivac 601 [0], an educational electronics kit - somewhat similar to those "300 circuits in one" you may have had growing up as I did - was created by none other than Claude Shannon. The Minivac is disarmingly simple: it consists roughly speaking of 6 relays, 12 lights, 6 buttons, and a motorized wheel. You'd think that it couldn't really do much. Well, amazingly, it can do a lot. You can wire up the components in a way that will make the Minivac play tic-tac-toe, or OCR-detect 10 digits... The sample "demo" circuit I chose for the homepage shows a binary counter that counts up to 7. Another amazing thing about the Minivac is definitely its manuals [1]. Their spirit is what I hope to capture in the coming (years?) as I keep improv...

Show HN: An Apache Beam batch processing clone in Rust I've been experimenting with Apache Beam as of late at work and found that it can be slow in Python, and more complicated to use in Java where performance is better. I decided to experiment with JetBrains' AI Assistant and build an Apache Beam clone in Rust. I appreciate any commentary or feedback! https://ift.tt/TmqeaE0 November 16, 2025 at 01:46AM

Show HN: DeepClause – A Neurosymbolic AI System Built on WASM and Prolog Hi HN, Today I'd like to present the results of my weekend project of the last year or so. Given there are many posts on HN about LLMs and Prolog, I thought that this would be of interest. DeepClause is my own (possibly misguided :-) attempt at combining LLMs with Logic Programming, ultimately hoping to establish a foundation for building more reliable agents, that produce reproducible and fully traceable result. At the heart of DeepClause is a DSL called "DeepClause Meta Language" (DML) which can be used to encode agent behaviors as executable logic programs. DML is executed by a meta-interpreter implemented in Prolog and thus natively supports things like constraint logic programming, knowledge graphs, symbolic reasoning, ... The DML interpreter itself runs inside the SWI Prolog WASM module, thus allowing for a secure and sandboxed execution environment for AI agents. The project is still rough aro...

Show HN: ByteSync – Open-source hybrid file sync (LAN and remote, E2EE) Hi everyone, I've been developing ByteSync, an open-source file synchronization, backup and deduplication tool designed to bridge the gap between local and remote sync. In spirit, it's somewhat closer to FreeFileSync, but with an integrated networking layer and end-to-end encryption — which means you can synchronize files between computers on the same LAN or across the internet without VPNs or firewall setup. Everything works transparently through the same interface. The synchronization model is based on DataNodes (which represent repositories, such as servers or NAS devices) and DataSources (the folders or files inside them). A session can include multiple participants, each with one or several DataNodes, and ByteSync handles all comparisons and transfers automatically. To optimize performance, the engine uses a two-stage inventory process: an initial indexation followed by comparisons limited to items tha...

Help Shape the Embarcadero Connectivity Plan By Nick Veronin The Embarcadero Connectivity Plan aims to maintain and improve access to San Francisco’s waterfront in the decades ahead. We are launching the Embarcadero Connectivity Plan and our first step is listening to the needs of local communities. The Port of San Francisco is working to protect our city’s waterfront from the impacts of climate change and sea level rise. We are beginning a new transportation planning effort to support their efforts and prepare for how people will get around in the decades ahead. The Embarcadero Connectivity Plan aims to maintain and improve access to San Francisco’s... Published November 14, 2025 at 07:00AM https://ift.tt/sQBL6a2

Show HN: spymux – Spy on your tmux panes I had motivation for writing this after I kept switching back and forth between agents to see if they've finished what they were working on (and I couldn't find a similar tool out there). I'd imagine it can be useful for other scenarios as well, e.g. tracking multiple build/test jobs over multiple windows. Still a work in progress, but I thought I'd share :) https://ift.tt/Nq6kn41 November 15, 2025 at 12:09AM

Show HN: TalkiTo – enabling voice and Slack for Claude Code and Codex CLI Hey everyone, here is an open source project I've been working on to add voice input/output to terminal based coding agents. One thing about the new terminal coding agents I really like is being able to multi-task but right now it's a bit like a Tesla on autopilot needing your hands still on the wheel. You need to be checking often if your input is required or if it's going off the rails. To be able to go fully hands free I wanted to add TTS and ASR. Then I added slack and WhatsApp hooks to TalkiTo as well. It's fully open source with a BYOK philosophy and it's configured to work with any of the major ASR/TTS providers. It also supports local whisper and kokoro/kittentts if you want a decent free/private option. It works by wrapping the coding agent and capturing the input/output. It does have an MCP server running but thats mainly for configuration - I found that using MCP to speak or listen ...

Show HN: DBOS Java – Postgres-Backed Durable Workflows Hi HN - I’m Peter, here with Harry (devhawk), and we’re building DBOS Java, an open-source Java library for durable workflows, backed by Postgres. https://ift.tt/gATmXYf Essentially, DBOS helps you write long-lived, reliable code that can survive failures, restarts, and crashes without losing state or duplicating work. As your workflows run, it checkpoints each step they take in a Postgres database. When a process stops (fails, restarts, or crashes), your program can recover from those checkpoints to restore its exact state and continue from where it left off, as if nothing happened. In practice, this makes it easier to build reliable systems for use cases like AI agents, payments, data synchronization, or anything that takes hours, days, or weeks to complete. Rather than bolting on ad-hoc retry logic and database checkpoints, durable workflows give you one consistent model for ensuring your programs can recover from any failure fr...

Show HN: Fine-tune open-source LLMs quickly and easily (early access) https://www.tinytune.xyz/ November 14, 2025 at 02:03AM

Show HN: What Can Happen When You Code While Overtired Generative art has been a long-standing interest of mine. I’ve seen a lot over the years — but this generation was absolutely pure. https://number-garden-story.netlify.app/ November 14, 2025 at 12:38AM

Show HN: Shadowfax AI – an agentic workhorse to 10x data analysts productivity Hi HN, We built an AI agent for data analysts that turns the soul crushing spreadsheet & BI tool grind into a fast, verifiable and joyful experience. Early users reported going from hours to minutes on common real-world data wrangling tasks. It's much smarter than an Excel copilot: immutable data steps, a DAG of SQL views, and DuckDB for instant crunching over millions of rows. Our early agent prototype ranked #1 on the Spider2-DBT bench. https://spider2-sql.github.io Try it out and we'd love your feedback! Thanks, Di Wu & the Shadowfax team P.S. Shadowfax is Gandalf's horse from LOTR. There's a hidden easter egg site with 3 different triggers, see if you can find them. https://ift.tt/5UXmaM1 November 13, 2025 at 08:04PM

Show HN: ShellDash – Browser server dashboard with SSH and globe monitoring Hey all. I built ShellDash, an interactive server admin dashboard with shell scripting and an appealing globe UI. https://shelldash.com The goal is to provide a global monitoring view of your servers, with shell script access, in a way that feels natural and productive, plus a minimal and appealing UI/UX. The technology is fairly interesting. This being a browser app, I built a Go WASM SSH client running in the browser, proxied through my server WebSocket endpoints. This means I can provide you a Web UI to access your servers via SSH, without ever needing to see your credentials. I only see secured packets like OpenSSH sends over the open internet. Inspired by https://ssheasy.com/ Whether you have one server and periodically run a few common commands, or administering many scattered geographically, I hope ShellDash can make your experience more productive and fun. https://shelldash.com November 13, 2025 at 02:0...

Show HN: JavaScript Engines Zoo https://ift.tt/ivmEMyx November 12, 2025 at 11:02PM

Show HN: SQL++ – 5x faster than Prisma (Rust) I built SQL++, a type-safe SQL library for Rust using PostgreSQL's binary protocol. Benchmarks vs Prisma (5,000-10,000 queries): - Simple queries: 1.5x faster - Complex aggregations: 19.9x faster - Batch inserts: 5.6x faster - Average: 5x faster One benchmark didn't finish in Prisma (crashed), SQL++ completed in 2.5min. Why faster: 1. No runtime query building - validates once, caches forever 2. Zero ORM overhead - direct struct mapping 3. Binary protocol - implemented PostgreSQL wire protocol from scratch Currently supports: - Full SQL (CTEs, window functions, JOINs, subqueries) - DDL (CREATE/ALTER/DROP TABLE, indexes) - ~60% of SQL spec Limitations: - PostgreSQL only - v0.1 (expect bugs) - No ORM relationships (by design) Built as a high school project. Feedback welcome! GitHub: https://ift.tt/rUDHQjn Benchmarks: https://ift.tt/ucOn8rF https://ift.tt/rUDHQjn November 12, 2025 at 11:33PM

Show HN: Git Quick Stats – The Easiest Way to Analyze Any Git Repositor https://ift.tt/JSOhRdV November 11, 2025 at 11:56PM

Show HN: Reversing a Cinema Camera's Peripherals Port https://ift.tt/3ePJFZ2 November 11, 2025 at 10:57PM

Show HN: TabPref – The platform for professionals and businesses in hospitality Hey HN, Aaron here, founder of TabPref.com . A few months ago, I shared TabPref as a social network for the people who keep the hospitality world running: bartenders, servers, barbacks, vendors, and venue owners. Since then, it has evolved far beyond networking. TabPref is now an all-in-one platform for the service and hospitality industry that connects professionals, establishments, and vendors while powering real business operations. It includes: • Multi-profile switching for professionals, establishments, vendors, and consumers • Business Hub with scheduling, time-clock, vendor catalogs, and POS integrations such as Toast, Square, and 7shifts • Tab Chat for real-time team communication • Groups and Events for community and discovery • Jobs to help professionals find shifts and venues fill roles quickly We are still in public beta, and user feedback continues to shape what comes next. I recently submitted...

Show HN: dspx — Serverless-friendly DSP for Node.js (native C++ + Redis state) https://ift.tt/zvoSbgB November 11, 2025 at 09:58PM

Show HN: Tracking AI Code with Git AI Git AI is a side project I created to track AI-generated code in our repos from development, through PRs, and into production. It does not just count lines, it keeps track of them as your code evolves, gets refactored and the git history gets rewritten. Think 'git blame' but for AI code. There's a lot about how it works in the post, but wanted to share how it's been impacting me + my team: - I find I review AI code very differently than human code. Being able to see the prompts my colleagues used, what the AI wrote, and where they stepped in to override has been extraordinarily helpful. This is still very manual today, but hope to build more UI around it soon. - “Why is this here?” — more than once I’ve giving my coding agent access to the past prompts that generated code I’m looking at, which lets the Agent know what my colleague was thinking when they made the change. Engineers talk to AI all day now…their prompts are sort of like...

Show HN: Dice of Sending – I prefer physical dice but need to roll online This was a goofy little project I worked on. It's fully open source and you can check it out via the Github link. https://ift.tt/052E6YN November 11, 2025 at 02:56AM

Show HN: Tiny Diffusion – A character-level text diffusion model from scratch https://ift.tt/iPZHTCy November 10, 2025 at 10:13PM

Show HN: Trilogy Studio, open-source browser-based SQL editor and visualizer SQL-first analytic IDE; similar to Redash/Metabase. Aims to solve reuse/composability at the code layer with modified syntax, Trilogy, that includes a semantic layer directly in the SQL-like language. Status: experiment; feedback and contributions welcome! Built to solve 3 problems I have with SQL as my primary iterative analysis language: 1. Adjusting queries/analysis takes a lot of boilerplate. Solve with queries that operate on the semantic layer, not tables. Also eliminates the need for CTEs. 2. Sources of truth change all the time. I hate updating reports to reference new tables. Also solved by the semantic layer, since data bindings can be updated without changing dashboards or queries. 3. Getting from SQL to visuals is too much work in many tools; make it as streamlined as possible. Surprise - solve with the semantic layer; add in more expressive typing to get better defaults;also use it to wire up auto...

Show HN: I'm a pastor/dev and built a 200M token generative Bible https://ift.tt/UYvSfzL November 10, 2025 at 03:11AM

Show HN: Every-few-days satellite timeline for any spot, Sentinel-2 SR I built anicha.earth because I kept needing a fast, no-frills way to see how a place changes over time — not once a year, but every week or so. Recently I worked on super-resolution for Sentinel-2 (about 8–10× upscaling) for an agriculture project. Along the way I realized two things: (1) this could be useful beyond ag, and (2) I couldn’t find a tool that lets you pick any area and quickly scrub through years of imagery. So I made one that’s as simple and as fast as I can make it. Under the hood it uses Copernicus Sentinel-2 L2A (10 m/pixel). With S2A+B the nominal revisit is ~5 days (depends on clouds; with Sentinel-2C the cadence is tighten further). For any area you select, the app gathers all available scenes since 2018 and shows them on the map and in a time strip for easy scrubbing. There’s AI-Enhanced view: a super-resolution model that makes it toward ~1–2 m. The model was trained on millions of satellite/ae...

Show HN: I built a website to visualize company financial data Hi HN, I built a website myfinsight.com that aims to make complicated company financials easy to understand. The problem: The go-to place for financial data such as revenue, sales, net income is Yahoo finance. However, their data is usually wrong and very limited. The numbers are hard to digest to get insight quickly. There are also numerous websites that provide much better data for a very expensive monthly fee. Solution: a website that provides free diagrams and charts that visualize important financial data, such as income growth rate by date, revenue breakdown etc. It is free because the financial data process is highly automated without manual input and correction. I used to send the finance infographics to friends and family. I found it easier just to make a website and they can grab the data from it. Next steps: there is a long tail of companies that don’t file their reports correctly. I am trying to make it more acc...

Show HN: Easily reduce GitHub Actions costs with Ubuntu-slim migration Hi, HN! I've been running GitHub Actions workflows for a while, and when GitHub announced ubuntu-slim runners as a cheaper alternative to ubuntu-latest, I wanted to migrate. (Blog: https://ift.tt/2ah3Skr... ) But manually checking which workflows can safely migrate is tedious—you need to check for Docker usage, services, containers, execution times, and missing commands. So I built gh-slimify, a GitHub CLI extension that automates this. It scans your workflows, detects migration candidates, checks for incompatible patterns, identifies missing commands, and can safely update workflows with one command. Try it: gh extension install fchimpan/gh-slimify gh slimfy # Scan workflows gh slimfy fix # Update safe jobs only Open source (MIT). I'd love feedback on how to improve it or what edge cases I might have missed. https://ift.tt/tDocndY November 8, 2025 at 11:49PM

Show HN: I built an HTTP client that perfectly mimics Chrome 142 BoringSSL and nghttp2. Matches JA3N, JA4, and JA4_R fingerprints. Supports HTTP/2, async/await, and works with Cloudflare-protected sites. Not trying to compete with curl_cffi - just a learning project that turned into something functional. https://ift.tt/NW52T1i November 8, 2025 at 10:28PM

Show HN: Three Emojis, a daily word puzzle for language learners I'm in the process of learning German and wanted to play a German version of the NYT’s Spelling Bee. It was awful, I was very bad at it, it was not fun. So I built my own version of Spelling Bee meant for people like me. Three Emojis is a daily word game designed for language learners. You get seven letters and a list of blanked-out words to find. When you discover shorter words, they automatically fill into longer ones—like a crossword—which turns out to be really useful for languages like German. Each word also gets three emojis assigned to it as a clue, created by GPT-5 to try and capture the word’s meaning (this works surprisingly well, most of the time). If you get stuck, you can get text/audio hints as well. It supports German and English, with new puzzles every day. You can flag missing words or suggest additions directly in the game. The word lists include slang, abbreviations, and chat-speak—because those are...

Show HN: A Lightweight Kafka Alternative https://ift.tt/fQs8F7g November 7, 2025 at 08:58PM

Show HN: DIY accessibility mouse helps people even with complete paralysis This is a DIY, open-source alternative to expensive solutions like the MouthPad, eye-trackers, or even complex systems like Neuralink. Everyone deserves access to assistive technology. https://ift.tt/suWbjpY November 7, 2025 at 01:31AM

Show HN: TabPFN-2.5 – SOTA foundation model for tabular data I am excited to announce the release of TabPFN-2.5, our tabular foundation model that now scales to datasets of up to 50,000 samples and 2,000 features - a 5x increase from TabPFN v2, published in the Nature journal earlier this year. TabPFN-2.5 delivers state-of-the-art predictions in one forward pass without hyperparameter tuning across classification and regression tasks. What’s new in 2.5 : TabPFN-2.5 maintains the core approach of v2 - a pretrained transformer trained on more than hundred million synthetic datasets to perform in-context learning and output a predictive distribution for the test data. It natively supports missing values, cateogrical features, text and numerical features is robust to outliers and uninformative features. The major improvements: - 5x scale increase: Now handles 50,000 samples × 2,000 features (up from 10,000 × 500 in v2) - SOTA performance: TabPFN-2.5 outperforms tuned tree-based methods and...

Show HN: ShellAI – Local Terminal Assistance with SLM https://ift.tt/tTS47le November 6, 2025 at 11:27PM

Show HN: I was in a boring meeting so I made an encyclopedia https://ift.tt/mCoErik November 5, 2025 at 09:58PM

Show HN: Cj–tiny no-deps JIT in C for x86-64 and ARM64 Hey y’all! About 7 years ago, I had this idea to write a JIT with an autogenerated backend for x86 based on the ISA specs. I sketched something out and then just kinda let it sit. I picked it up again a few weeks ago and made a complete-ish backend for both x86 and ARM64. It has no dependencies, the backends are completely autogenerated (by horrible, horrible JS scripts), and I built a small abstraciton layer for things like functions prologues etc. It’s super duper early and will probably break on your machine, but it’s good enough to compile some cool examples (look at the examples directory: https://ift.tt/VKQA8XE... , my personal favorite is the minimal language implementation: https://ift.tt/bEgMJq0... ). It doesn’t have anything except basically a fancy JIT assembler with some helpers as of yet. No register allocator, a lot of ABI details will still have to be figured out manually (though of course feel free to add anything t...

Show HN: Dev Cockpit (OSS) – TUI System Monitor for Apple Silicon Built a terminal dashboard for my M2 Mac because I wanted something better than jumping between Activity Monitor, terminal commands, and random cleanup scripts. What it does: Real-time charts for CPU, memory, disk... Quick actions menu - one key to flush DNS, fix WiFi, kill processes... Clean up all the dev cache garbage in one place (npm, Homebrew, Xcode, Go, Yarn) System insights with performance scoring Basically everything I was doing manually or with different tools, now in one TUI. Written in Go, GPL-3.0. https://ift.tt/D7wNdxM Install: curl -fsSL https://ift.tt/QVDzvwj... | bash Would appreciate feedback on the UI and what other quick actions or monitoring would be useful. https://devcockpit.app November 5, 2025 at 10:56PM

Show HN: Strange Attractors – Visualized with Easylang This post about strange attractors isn't as cool as this recent one: https://ift.tt/rLoMndR . My visualization runs with my programming language, which is interpreted by WASM code and uses JS and Canvas – without WebGL. https://ift.tt/ZVE6BKx November 5, 2025 at 09:25PM

Show HN: Agor → Figma for AI Coding (Open Source) https://agor.live November 4, 2025 at 08:59PM

Show HN: Pion/rtwatch – Watch video in sync with friends, pause/seek on back end https://ift.tt/D9aHldf November 5, 2025 at 12:18AM

Show HN: Nallely – a modular reactive Python system for custom MIDI instruments Hi HN! I'm Vince. I built Nallely, a modular reactive Python framework for creating custom MIDI instruments by patching signal-processing modules together, like a modular synthesizer for controls systems. Nallely focuses on real-time, thread-isolated, reactive behavior, letting you experiment with emergent behaviors. Demo video: https://www.youtube.com/watch?v=rbMnKAdqAVI building a patch from scratch and hot-debugging a running instance near the end. Key features: * Visual patching interface for connecting reactive modules (neurons), * Extensible via Python API, WebSocket, and/or code generation, * Integrates any input source (MIDI, webcam, ...) to control synthesizers. # Yes, but why? Existing software/libraries that proposes MIDI manipulation are powerful but not friendly to live experimentation. They are low-level, hard to rewire on the fly, and often heavy for embedded or headless setups. I wanted ...

Show HN: I built a Raspberry Pi webcam to train my dog (using Claude) Hey HN! I’m a Product Manager and made a DIY doggy cam (using Claude and a Raspberry Pi) to help train my dog with separation anxiety. I wrote up a blog post sharing my experience building this project with AI. https://ift.tt/FEirZLC November 3, 2025 at 07:04AM

Show HN: Give your coding agents the ability to message each other I submitted this earlier but it didn’t get any traction. But it’s blowing up on Twitter, so I figured I would give it another shot here. The system is quick and easy to setup and works surprisingly well. And it’s not just a fun gimmick; it’s now a core part of my workflow. https://ift.tt/D9q2dlE November 3, 2025 at 04:39AM

Show HN: Carrie, for what Calendly can't do Hey everyone, Through my career, I've spent too many hours and too much mental load on busywork like scheduling and following up on people's availabilities. So, I built Carrie. You simply cc her into your emails, and she sorts out meeting times across time zones, finds what works best for everyone, confirms the meeting and sends the invite. She handles scenarios beyond what Calendly can handle and it’s been freeing me up from the back-and-forth of juggling different meeting requests. I’ve been testing this with a beta group of users and am now looking to expand the user pool (please feel free to join the waitlist if you're interested). Would also love feedback on whether this seems useful and what seems to be missing to make this part of your workflow. Thanks! https://getcarrie.com/ November 2, 2025 at 09:40PM

Show HN: I built a smart blocker after destroying my dopamine baseline I'm a solo dev. A few years ago, I got addicted to Reddit. Spent months in that loop. Being a programmer, I thought I'd be clever. Redirected Reddit's domain to nowhere in my DNS file. Worked great until I'd just... open the file and undo it 20 minutes later. So I made it irreversible. Locked the DNS file so it can't be edited unless I boot my Mac in safe mode. And if I do that, there's a script that instantly locks it again. Haven't used Reddit since last year. Problem solved, right? Wrong. I just replaced Reddit with Twitch and YouTube. Started keeping streams running in the background while I coded. This went on for almost a year. It killed my ability to focus. If you know about dopamine, you know your brain releases it when it wants you to repeat an activity. The constant background streams destroyed my dopamine baseline. When I tried to code without anything running one day, it felt ...

Show HN: Just vibe coded a HN TV dashboard https://ift.tt/2akLFoI November 2, 2025 at 01:41AM

Show HN: Proxmox-GitOps: Container Automation Framework By encapsulating infrastructure within an extensible monorepository - recursively resolved from Git submodules at runtime - Proxmox-GitOps provides a comprehensive Infrastructure-as-Code (IaC) abstraction for an entire, automated, container-based infrastructure. Core Concepts: - Recursive Self-management: Control plane seeds itself by pushing its monorepository onto a locally bootstrapped instance, triggering a pipeline that recursively provisions the control plane onto PVE. - Monorepository: Centralizes infrastructure as comprehensive IaC artifact (for mirroring, like the project itself on Github) using submodules for modular composition. - Single Source of Truth: Git represents the desired infrastructure state. - Loose coupling: Containers are decoupled from the control plane, enabling runtime replacement and independent operation. https://ift.tt/bNaEn4h November 2, 2025 at 12:49AM

Show HN: Why write code if the LLM can just do the thing? (web app experiment) I spent a few hours last weekend testing whether AI can replace code by executing directly. Built a contact manager where every HTTP request goes to an LLM with three tools: database (SQLite), webResponse (HTML/JSON/JS), and updateMemory (feedback). No routes, no controllers, no business logic. The AI designs schemas on first request, generates UIs from paths alone, and evolves based on natural language feedback. It works—forms submit, data persists, APIs return JSON—but it's catastrophically slow (30-60s per request), absurdly expensive ($0.05/request), and has zero UI consistency between requests. The capability exists; performance is the problem. When inference gets 10x faster, maybe the question shifts from "how do we generate better code?" to "why generate code at all?" https://ift.tt/qgM5bTY November 2, 2025 at 12:45AM

Show HN: Jod – Conversational observability with MCP, no more dashboard juggling Hi, Prastik & Gaurab here. We’re building Jod( https://jodmcp.com ), a project that grew out of our own frustration with current troubleshooting and observability workflows. Jod lets you chat with your logs to debug issues, generate on-demand dashboards, analyze service health, and monitor with ease, all from a single chat window. You can ask things like: “Why did latency spike last night?” “Show me 5xx errors from the payments service.” “Create a time series graph showing error counts for the last 6 hours.” ..and Jod will pull, summarize, or even visualize the answers for you. Before Jod, we spent countless hours digging through CloudWatch and deployment logs, juggling 10+ dashboards just to trace one issue. It often took as much time as writing the actual code. During incidents, things got even worse, too much noise, endless context switching, and a lot of repetitive work. We figured we couldn’t be t...