The catalogue
Project library
4,180 records, the ones with the most signals first. Each one says what the product does, which signals were found, and where it came from.
Showing 1,441–1,560. The interactive library has search and signal filters; this list is the version that can be linked to and indexed.
Sys2txt
Record system audio and transcribe to text using AI
Tabichat
tabichat is a shared chat room where one human and many LLM coding agents talk together while each agent keeps working in its own terminal. A pi extension, a Python room
Tapirscan
Compare Tapirscan, ZXing and ZBar on rotated barcodes using demo images, your own photos or a live camera. All image processing runs locally in your browser.
Tar-minefield shows where tar implementations disagree
This project provides an extensive test suite and documentation for tar file extraction, with the goal of ensuring that implementations extract tar archives the same way.
Tegaki
Open-source handwriting animation library and generator: any font, written stroke by stroke in natural stroke order. React, Svelte, Vue, Solid, Astro, Web Components, Rem
Tensor Golf
TensorGolf is focused PyTorch practice for mastering tensor operations.
Term Crunch, timed terminal challenges
Free browser game for practicing the command line. Beat bite-size tmux, git, vim, and filesystem challenges against the clock, with spaced repetition to review what you'r
Ternlux
Ternlux online demo of the desktop application. Get a full experience of the application before downloading.
Text alerts when Codex resets are announced
The G = 9 Gate (Dark Matter) a New Theoretical Hypothesis
The G=9 Gate A new theoretical hypotesis in Fermion-Boson transitions and Dark Matter
The Last SaaS – An open source headless SaaS for agents and assistants
An open-source backend for agents and assistants. Records, files, service accounts, permissions, durable jobs, schedules, and triggers through MCP, CLI, and API.
The missing clipboard history for macOS that idles at 16 MB
paste-buff is a clipboard history for macOS. Press ⌘⇧V, pick anything you copied in the last 24 hours, and it pastes into the app you were using. Native AppKit, about 16
The Standup, releases, advisories and outages for developers
ToiletBench
Take a photo and help test whether AI can find a toilet without a sign.
Toolbit
Toolbit is a local-first developer workspace with 40+ offline tools including JSON formatter, JWT decoder, Base64 encoder, Regex tester, SQL formatter, UUID generator and
TrailVid
Cinematic Travel Animations
Trains.fyi
Global Train Tracker
Tributary
Start with an artist you like and explore the musicians who influenced them. Hear the songs and read the stories behind the connections.
TripBalls Gigs
The concert side of TripBalls: follow your favorite artists, see every upcoming show on a map, and book tickets, flights, hotels, and a rental car in one place.
Ultrafast Apple Music macOS App
An Apple Music client for Mac. Explore your library and the catalog together, change the music with Quick Actions, and keep playback close with the notch player.
Vanish moves heavy computation off your laptop
VectisPDF
Fast, private in-browser PDF suite (No uploads, Rust/WASM)
VoiceGremlin, a SaaS tool for automated tests against AI phone agents
We call your voice agent, you get a pass/fail in your pipeline. The testing infrastructure for AI voice agents.
Wcagent let use your ChatGPT subscription for coding
We bought terafabs.si so Elon couldn't and made an arcade game
Turns out the future does have flying cars. Fire cold-gas thrusters to jump over Highway Toll Booths, Sky Traffic Jams, and Crying Car Insurance Agents!
we made every cloud work like one giant computer
For developers processing massive amounts of data. Overcast runs your Python across hyperscalers, neoclouds, and your own racks to get past capacity shortages, with optio
What weather do you like? Find it, anywhere on Earth, any month
What will you say to 1M people?
Every morning, one random subscriber emails the whole list. Tomorrow it could be you.
ZeGrapher v4: modern math plotter
A free and open source math plotter, easy to pick up. It draws functions, sequences, parametric equations and data in the plane.
[Curbwise] Explore crash data and redesign dangerous streets
4096x
Play number merge games online. Slide, drop, pop and more: merge twin numbers until you build a 4096 tile. Each game is a new way to reach the same goal.
A beautiful UI built upon Pavel Dobryakov's shader
A fluid sim sandbox for one to eight. Swirl colour through living paint, invite a friend into the same canvas, and keep what you make.
A client-side adaptive cognitive test measuring micro-hesitations
KAT / CAT – Cognitive Switch Engine
A dating SIM where 1k people run on models built from survey data
Make a character, drop them into a town of 1,000 people, and see how high their body count gets in one month. Climb the leaderboard.
A job search that only shows entry-level roles
Find entry-level jobs across tech, design, finance, and more.
A little tool to review and understand PRs more easily
A better way to review PRs.
A malicious NPM install reads your .env. On my Mac it reads a decoy
A modern remake of the classic BBS game TW2002
STAR DEWAR
A persistent cyberpunk real-time Reddit running in a terminal
The real VibeWorld terminal app, running in your browser. Same moon, same live server.
A Piet interpreter compiled to a Piet image, running a Piet program
Four Temper libraries compiled to Piet images: a Piet interpreter running a Piet program, today's Mondrian, a program that looks itself up on esolangs.org, and Conway's L
A static reference for 5,142 supplement interactions
A whimsigoth-themed webapp for making relationship date plans
A World 3D globe where kids collect birds
Spin a 3D globe, meet birds where they live, hear their calls, and collect them all. Free for kids. No accounts, no ads.
A writing coach that's not allowed to write your sentences
A5 v1.0
A permanent cell ID system, coverings with set operations, spatial hierarchy functions and faster indexing, in every language.
ADRs for AI
Your thinking stops disappearing. Your decisions start compounding. ADRs4AI is the toolkit for deliberative programming.
Agent Cat
Claude Code, Codex and Gemini limits in your menu bar
AgenticBench, 9 security tests run on 25 AI coding agents
AgenticBench security leaderboard for AI coding agents: one row per harness version, with the date it was released, the date it was tested and the result.
AgentPostage
Send physical mail with agents
AI agent swarms test if new CVEs are exploitable in your env
The CVEs attackers are going after now, with how close each is to exploitation, how severe it is and the versions that fix it.
AI for Group Chats
Boba is an AI that understands your goals and your people. Text it from your phone, add it to a group chat, or use it on the web. Free.
AI SVG Generator
An AI wedding concierge I built and ran at my own 300-person wedding
An HTTPS-secured WAF in SWI-Prolog. I deployed it on a free-tier GCP
Show HN: I deployed a Prolog WAF on a free-tier GCP instance with only 1 GB RAM
An icon for every city in North America
544 North American city icons. Search, explore the map, and download the collection.
An interactive 3D companion for the Starship launch
An interactive model of expectations and recessions (2026 econ Nobel)
An interactive model I built to understand the 2026 Nobel Prize in economics: how a promise about future interest rates can change spending today.
An interactive timeline of 20 years of Hacker News front page
Ride through 20 years of the Hacker News front page, every trending story from 2007 to today, and five predicted years.
An MCP-enabled cross between Twitter X Bumble BFF X ChatGPT
An OpenAI-compatible, model-agnostic agent API
Andurel V2
Space-Grade Go Web Framework
Arcentry
Create 3D infrastructure diagrams
ASCII Art generator using depth maps
Polyglyph
AstroHelm
Find galaxies, nebulae and stars with your existing telescope. AstroHelm uses fast on-device plate solving to turn smartphones into precision push-to telescope finders.
Axiom: The Functional Systems Langauge
Meet Axiom, the functional systems language. Powerful types, compiler-checked effects, and native binaries through LLVM. No VM or garbage collector. Open source and self-
Behalf
Custom built apps by humans on your behalf for just 40/month
Binary Code Translator
free browser-based text↔binary converter
Bitty
Tiny brain games for the waits while Claude Code, Cursor or ChatGPT works. A pixel buddy for your desktop, free for Mac, Windows and Linux.
Black Swan
Flappy Swan is a flappy-bird-inspired arcade game where the rules shift beneath you.
Boonful
Claude Code can publish and sell what it builds
Botscent
Botscent tells your site if an AI agent, not a person, is browsing it, and which one. 5 KB, MIT, 0 deps.
Brian2 Atlas, a Rust engine for distributed neural simulation
Brian2 Atlas is an open-source engine for neural simulation and native training. Explore AtlasIR, CPU, GPU, browser and MPI execution, research results and the source ins
BricksChat
Turn ideas into builds. Chat with your AI brick designer and explore your creation in 3D, with a parts list and step-by-step instructions. Works with LEGO® bricks.
Browser Memory Consumption on macOS
Measure the total memory of a App including all subprocesses
Browser-Based F1 Game
A 2026-regulation formula racing game for the browser.
Build a wonky machine, a pixel-art physics puzzle
Wonky Go is a pixel-art physics puzzle: take parts out of the box, build a machine, press RUN. Free on iPhone, iPad and in the browser; Android coming soon.
Buildnotes
A skill for coding agents. It reads a feature's issues, PRs and reviews, finds the few decisions that shaped it, and writes them up as a post, a video or slides.
Built end-to-end encrypted messenger
public source
Bulkgrid
Search websites and GitHub repositories from your AI agent
Burger Person
The worst game ever made, on purpose. An 8-bit multiplayer fast food game: you get in line, wait, order and pay. The food costs money. Mostly the waiting part.
Cafca
a synthetic face dataset with 1.75M images
Call4me
a ChatGPT plugin that lets it make phone calls on your behalf
Call4me, an AI agent that handles phone calls for you
Let AI call for you: call4me phones businesses, books appointments and waits on hold, then patches you in. Works in ChatGPT, Claude Code and Codex.
case blossom, design and manufacture cases for e-readers and devices
Personalized Kindle cases and Kobo cases with free custom name or initials. Handmade floral designs, free worldwide shipping. Shop CaseBlossom.
Chartist v2
Simple, responsive charts drawn in SVG and styled with CSS. Tiny, typed, and happy without a build step.
ChemX
The Context-Engine for Agentic Development: SQLite symbol indexing, silent failure-focused verification, and AST-level guardrails against AI code decay. Built for Cursor,
Choreographed Algebra
Chrome doesn't have a good JSON viewer, so I built a fast, private one
Chuks v0.2.0-RC.1, we're asking people to try to break it
ChuteChat
Browser-based E2EE chat with no accounts required
Clarveo
See the trading patterns costing you money
Client-side image cropping for any file input, without coding
Set up CropGuide on your website and help your users crop images before upload. 1 minute installation, no programming required.
Clx 0.4.0
native compiler for Lua
Code Royale, an open-source multiplayer coding game
Create a room, invite your friends and race to solve the same coding challenge. Python, JavaScript, TypeScript, Go, Java, C, C++ and Rust, with autocomplete. Free and ope
CodeAIHQ
Explore the technical VFX pipeline of Dawn of the Planet of the Apes (2014) covering subsurface scattering and motion capture.
CoIsland
CoIsland watches your whole engineering stack from your Mac, shows only what needs you, and hands the work to an AI agent.
Collision avoidance in industrial robotics using robotsimulator.ai
Free Robot Arm Simulator, Offline Programming, Industrial Robots
Colorful Design System for Agents
A whole agent chat app made of the kit: past chats, a team of agents, a go-ahead before they write, and what they made beside the conversation.
Combining Space Invaders and Classic Literature and ASCII
Blast ASCII invaders on a living page of literature. Dodge enemy fire, clear waves, and chase the high score. Play free in your browser.
Compliance Posture
free, searchable SaaS compliance directory
Connecting Captions Local Private AI Interpreter
On-device live captions on a Mac. Speech and translation stay on the machine. For presentations, bilingual rooms, and any conversation that needs a translation.
CrabBoss, radio automation software
Crookcooked
Give your Mac the ability to protect itself against theft!
DeadLock OS
A Linux terminal puzzle game
Dealophant
Find the best deals on Amazon products by comparing price per unit. Save money by finding the most cost-effective options for everyday items.
DebtShark
DebtShark is an air-gapped, offline consumer legal defense workstation built with Rust and Tauri. Codifying the FDCPA, 50-state statutes of limitations, Medical Debt No S
Defcon like browser game with slower pace and growth
ScaledAttack
Dieline generator for packaging (type the size, get the drawing)
Free dieline generator for bags, pouches and boxes. Type your sizes and get a print-ready vector PDF at true size, with cut, fold and safe-area layers.
Digital Audio Workstation running in a browser (stock WebAudio nodes!)
Xequence
Dinemic
Authoritative DNS, load balancing, automatic TLS and an encrypted Dinemic Network Mesh across machines you control. Open source, AGPL-3.0, no vendor lock-in.
Dovepass
Dovepass — drone flight check, San Francisco (research prototype)
E2E-encrypted Markdown sharing with expiring links
EchoPod
Learn languages with podcasts, YouTube, and your own media. Follow word-level transcripts, tap for definitions, and ask AI to explain grammar.
Eleuteria
a privacy-first RoboSats coordinator
Ember
Ember
Epistemic Physics: Bayesian Special Relativity
Family Space turns a life into a sky you can watch unfold
See your life as a solar system: the people who stayed, the ones who passed through like comets, and the ones who became stars.
FastRecall, OpenRouter for Memory
Ferry
Run agents on your laptop or a remote Linux box with the setup you already use. Ferry keeps your skills, instructions, MCP servers and supported settings in sync. Logins
Find Street Parking in NYC