63 field notes about open-source. Quick, practical, no fluff.
Self-hosted AI gateway that puts the same assistant into WhatsApp, Telegram, Slack, iMessage and more. Open source, MIT-licensed, runs on your own machine.
OmniGet downloads your paid courses from Udemy, Hotmart and a dozen other platforms — then wraps them in a real study environment with notes, flashcards, and focus tools.
Sandcastle lets you spin up multiple AI coding agents at once — each working in its own isolated space — and then quietly merges everything back together.
OpenAI open-sourced a tool that turns a project management board into a team of coding agents — each ticket gets its own worker that runs until the job is done.
Warp just open-sourced a developer tool where AI agents do the actual coding — and humans just check the work.
A developer published his personal AI instruction set as a free, installable collection — and 31,000 people starred it in days.
PentAGI is an open-source AI agent that runs full security tests on your systems autonomously — no specialist required to set it in motion.
Promptfoo automatically attacks your AI to find its weaknesses — and OpenAI just paid $86M for it, then kept it free.
Wanman runs a coordinated crew of AI agents on your own machine — each with a role, each talking to the others — while you sit back and watch it happen.
An open-source AI agent that reads academic papers, finds datasets, and trains machine learning models — without anyone holding its hand.
A new open-source tool reads PDFs the way humans do — charts, tables, diagrams and all — instead of pretending they're just paragraphs.
A Google engineer published 20 ready-made instruction sets that stop AI coding tools from cutting corners — and they're free to use today.
A free, open library that teaches AI assistants to think like a cybersecurity expert — covering 26 areas of digital security across the frameworks big companies actually use.
A free, open-source tool that puts professional-grade financial research on your desktop — no $27,000 subscription required.
A tiny file you drop into any AI-built project that stops the agent from producing the same generic, purple-gradient website it made for everyone else.
A new open-source tool turns plain web code into rendered video — which means AI agents can finally produce video content without touching a timeline.
Archon gives AI coding tools a fixed process to follow — so every task runs the same way, every time, no matter the model's mood.
A tiny AI agent that gets smarter and cheaper every time it completes a task — and reportedly built its own codebase without a human ever touching the keyboard.
Google open-sourced the AI it uses to scan billions of Gmail and Drive uploads — and it identifies file types with 99% accuracy in the blink of an eye.
An open-source project that works like a tiny film studio on your computer — you describe a video, it writes the script, plans the shots, and produces the whole thing while you sleep.
Kronos is an open-source AI trained on 12 billion candlestick records from 45 global exchanges — and it forecasts prices better than anything else in its class.
The best download manager around went quiet in 2023 — someone just rebuilt it from scratch, and it's smaller, faster, and free.
A free tool that gives AI assistants a real memory — so they stop forgetting everything the moment you close the chat.
Free, open-source Claude Code skill that turns any codebase into a knowledge graph. Ask questions in plain English, runs 71x cheaper, works with a local mode.
A plain text file called DESIGN.md can now tell an AI agent exactly how a website should look — colors, fonts, spacing — so it builds interfaces that actually match your style.
TaxHacker is a free, self-hosted app that reads any receipt or invoice — in any language — and turns it into clean accounting data, automatically.
Google just released a family of AI models you can run on your own devices, own completely, and use commercially — no subscriptions, no restrictions.
OpenScreen does what expensive demo software does — zoom effects, clean backgrounds, polished exports — at zero cost and with no watermark.
A small open-source tool called OMX quietly turned a single AI coding assistant into a coordinated team of agents — and someone used it to do a week's worth of work in one night.
A tiny open-source tool just went viral for solving something deceptively boring: measuring how tall a block of text is, without making the browser stutter.
Microsoft quietly released a voice AI toolkit that can transcribe a full hour of audio — speakers, timestamps, and all — without breaking it into pieces.
TREK is a free, self-hosted trip planner your whole team can use in real time — maps, budgets, weather, packing lists — and it lives on your own server.
OpenWork turns solo AI coding sessions into something a whole team can audit, repeat, and trust.
TinyFish built infrastructure for AI agents to interact with the live web at scale — and AgentQL lets you point at any element on any page using plain English instead of brittle CSS selectors.
A new PDF parser runs entirely on your own machine, handles messy real-world documents surprisingly well, and doesn't need an internet connection or an API account.
DeerFlow is an open-source AI agent that doesn't just answer questions — it finishes projects.
Researchers built an open-source system where a whole cast of AI specialists — analysts, a trader, a risk manager — debate each other and arrive at a single investment decision.
Project N.O.M.A.D. bundles an AI assistant, offline Wikipedia, maps, and medical references into a self-contained computer that runs anywhere — no Wi-Fi, no cloud, no tracking.
OpenRAG lets you build a private search brain for all your business documents — PDFs, audio recordings, spreadsheets — without sending a single file to anyone else's cloud.
A tiny open-source tool that shows you exactly how much of Claude's attention budget you've used — before you run out mid-task.
Researchers at one of China's top universities just released a tool that turns any document or topic into a live, interactive AI classroom — complete with teachers, curious classmates, and quizzes.
Crucix is a free, open-source OSINT intelligence terminal you self-host. Monitors 27 live feeds (fires, flights, markets, conflicts) and pings you on Telegram.
Lightpanda runs 11x faster than Puppeteer and uses 9x less RAM. An open-source headless browser purpose-built for AI agents and web scraping.
Garry Tan's personal Claude setup gives one AI 8 specialist roles - architect, reviewer, security auditor and more. Open-source, free to copy.
ByteDance just open-sourced a smarter way for AI agents to store and retrieve what they know — and it could quietly cut costs while making agents a lot more reliable.
A 20-year-old student built a self-hosted brand monitoring tool where AI agents argue with each other before writing your report — and the internet noticed.
A new tool lets AI agents operate desktop software like GIMP or Blender the same way a human would — but faster, quietly, and without anyone touching a mouse.
Hermes Agent remembers past conversations, learns from mistakes, and connects to Slack, Discord and Telegram. Free, self-hosted, built by Nous Research.
MiroFish builds a tiny parallel world of thousands of AI characters to predict what happens next — in markets, public opinion, or even unfinished stories.
Andrej Karpathy just released a tiny tool that lets an AI agent run experiments on its own, all night, and hand you the results by morning.
IronClaw is an open-source runtime that lets AI agents do real work without ever seeing — or accidentally exposing — your API keys and secrets.
Paperclip lets you build a fully staffed AI organisation — with a real org chart, budgets, and accountability — that actually runs itself.
Shannon is an open-source AI that actually attacks your own web app to find real security holes — not just a list of warnings, but proof that something is broken.
WorldMonitor pulls together global news, markets, and geopolitical signals into one screen — with AI analysis that runs entirely on your own machine.
Alibaba just open-sourced the safety layer that lets AI agents actually do things — without putting your real systems at risk.
A new open-source project turns an ordinary WiFi router into a sensor that can detect where people are, how they're breathing, and whether someone has fallen — no camera required.
GitNexus turns any code repository into a visual map your AI assistant can actually read — privately, for free, in your browser.
A free tool that gives your AI coding assistant a real methodology — so it stops winging it and starts working like a disciplined engineer.
Scrapling watches websites change and quietly updates itself — so your data pipelines don't break every time a competitor redesigns their homepage.
A new open-source tool lets AI navigate long documents the way an expert would — by understanding structure, not just scanning for similar words.
Someone published the secret instructions powering Cursor, Claude, Lovable, and 25 other AI tools — and it's the most revealing thing published about AI this year.
An open-source platform that takes your team's little scripts and automations and gives them a proper home — with scheduling, logs, and a real interface.
Activepieces is like Zapier but free, open source, and its 280+ integrations work directly with AI agents like Claude.