katspaugh

open-code-review. Open-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in fine-tuned ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

warp. Warp is an agentic development environment, born out of the terminal.

video-use. Edit videos with coding agents

mediabunny. Pure TypeScript media toolkit for reading, writing, and converting video and audio files, directly in the browser.

any-sync. An open-source protocol enabling high-performance, local-first, peer-to-peer, end-to-end encrypted collaborative apps.

caveman. 🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

apfel. The free AI already on your Mac. CLI tool, OpenAI-compatible server, and interactive chat — all on-device via Apple Intelligence. No API keys, no cloud, no downloads.

loop. Dead-simple Bun CLI that runs Codex and Claude Code in a loop.

BreakingStandup. Swift

satellite. Social networking over static sites

dolt. Dolt – Git for Data

claude-context. Code search MCP for Claude Code. Make entire codebase the context for any coding agent.

get-shit-done. A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code by TÂCHES.

gh-dash. A rich terminal UI for GitHub that doesn't break your flow.

er-99. A web-based drum synthesizer

opencode. The open source coding agent.

claudecodeusage. Swift

memos. Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.

scheduled-tx-module. Solidity

beads. Beads - A memory upgrade for your coding agent

safe-cli-nodejs. Safe CLI (Node.js)

aspipes. JavaScript

VoiceInk. The best open-source alternative to Superwhisper & Wispr Flow. Voice-to-text app for macOS with no subscription

diffsitter. A tree-sitter based AST difftool to get meaningful semantic diffs

howtomultisig. TypeScript

ts-fsrs. ts-fsrs is a versatile package written in TypeScript that supports ES modules, CommonJS, and UMD.

typed-japanese. 🌸 Learn Japanese grammar with TypeScript

safeTxVerifier. Simple website to verify signed transactions

gnosis-hosted. An effort to self-host Gnosis Safe ourselves on a doomsday-like scenario

wavesurfer-spectrogram-emu. Alternative spectrogram plugin for wavesurfer.js

gamebub. Open-source FPGA retro emulation handheld

Chirpity-Electron. AI powered audio analyser for bird call visualisation, detection and cataloguing

WebPd. Run your Pure Data patches on the web.

assistant-ui. Typescript/React Library for AI Chat💬🚀

wikitok. TypeScript

pebble. This is the latest version of the internal repository from Pebble Technology providing the software to run on Pebble watches. Proprietary source code has been removed from this repository and it will not compile as-is. This is for information only.

wordpecker-app. A personalized language-learning tool that combines Duolingo-style lessons with your own curated vocabulary lists. Seamlessly add words from books, articles, or videos, and revisit them through interactive quizzes and LLM-generated lessons.

wavesurfer.js. Audio waveform player

inky-dashboard. E-paper Todo List and Calendar Application for the Inky Frame 7.3" Display. Featured by Raspberry Pi!

adhyeta. अध्येता is an application designed to improve language acquisition skills through the process of reading.

nuenki-dictionary. Rust

gba-template. A template for a GBA game written in zig

natu. Toolkit for writing Game Boy Advance games in Nim

flappy-boot. a flappy bird clone for the GBA

beepbox. An online tool for sketching and sharing instrumental melodies.

open_agb_firm. open_agb_firm is a bare metal app for running GBA homebrew/games using the 3DS builtin GBA hardware.

React-Native-Advanced-Guide. React Native Advanced Guide Book (iOS & Android) - Be an Expert in 2024 🔥

phaze. Real-time pitch-shifter as a Web Audio worklet, based on phase vocoder techniques

kinopio-client. Kinopio is a creative thinking tool

piggybank. (unofficial) Safe library, powered by viem.

shadowlings. Shadow Deposit Accounts

wax. A tiny programming language that transpiles to C, C++, Java, TypeScript, Python, C#, Swift, Lua and WebAssembly 🚀

waxolotl. A small language that compiles to WebAssembly Text format

markmap. Build mindmaps with plain text

crunker. Simple way to merge or concatenate audio files with the Web Audio API.

r2-image-worker. Store and Deliver images with R2 backend Cloudflare Workers.

audiowaveform. C++ program to generate waveform data and render waveform images from audio files

tinywasm. A Tiny Webassembly Runtime Written in Rust

p2pcf. Low cost, low effort P2P WebRTC serverless signalling using Cloudflare Workers

wasm4-playground. Write retro video games in AssemblyScript.

wasm4go. Framework for making WASM-4 games with Go (and TinyGo).

wasm4-aot. Ahead-of-time compiled WASM-4 runtime

link-preview. "link-preview" service on Cloudflare Workers

learning-hindi. My journey towards conversational Hindi

react-web-audio-graph. Interactive audio graph editor built with Web Audio API and React

white-noise-node. WhiteNoiseNode for Web Audio API

simple-audio-worklet. Write an audio worklet with frame-based processing and a variety of input formats.

wasmoon. A real lua 5.4 VM with JS bindings made with webassembly

rough. Create graphics with a hand-drawn, sketchy, appearance

nitrotracker. A Fasttracker II style tracker for the Nintendo DS

pi-nothing. i386, x86_64, ARMv7 assembler/linker; Nothing-like mid-level language; Linear-scan register allocator; Operating system for Raspberry Pi -- MOVED TO https://git.leastfixedpoint.com/tonyg/pi-nothing

Swaranotebook-bandish-editor. Bandish notation editor for Hindustani classical music

MiniDexed. Dexed FM synthesizer similar to 8x DX7 (TX816/TX802) running on a bare metal Raspberry Pi (without a Linux kernel or operating system)

gnosis-safe-waku. 🏗 forkable Ethereum dev stack focused on fast product iterations

wasm_of_ocaml. OCaml

provenance. Yaypegs use the hash functions SHA-256. In order to validate the provenance or any image hash, you must use the same hashing algorithm.

javy. JS to WebAssembly toolchain

uxn.wasm. WebAssembly implementation of the Uxn virtual machine

wavesurfer-react. A simple React wrapper for wavesurfer.js

mina. Mina is a cryptocurrency protocol with a constant size blockchain, improving scaling while maintaining decentralization and security.

api. Instant API: Build type-safe web APIs with JavaScript

gita. Bhagavad Gita in JSON

inferno-ds. inferno for the nintendo-ds, from mercurial

book. A textbook on informal homotopy type theory

enhance-music. A music library and audio player built with Enhance

watlings. Learn WebAssembly by writing small programs!

bintracker. A hackable Chiptune Audio Workstation. https://bintracker.org

wasm3_dino_rpi_pico. WebAssembly Dino game for PPi Pico

tilt. Live coding bytebeat-style language for the web

wavefont. Typeface for rendering waveform/data

decode. Minimal audio decoders layer

SpriteGenerator. GDScript

web3-wallets. Connect multiple web3 wallets to your dapp easily

WasmEdge. WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless apps, embedded functions, microservices, smart contracts, and IoT devices.

bauble. a playground for making 3D art with lisp and math

safe-charts. Helm charts for Safe infrastructure services

safe-client-gateway. Serves as a bridge for the Safe{Wallet} clients (Android, iOS, Web)

ts-docs. A documentation generator for typescript. Generate beautiful and informative documentation with zero setup!

wasm4-3ds. C

vanity-safe. Generate and deploy a Gnosis Safe contract with a custom address

skyland-gba. Realtime strategy game for Gameboy Advance. This is a mirror of the Skyland-beta repository. Will I ever finish the beta version? Only time will tell...

web-llm. High-performance In-browser LLM Inference Engine

pitchfinder. A compilation of pitch detection algorithms for Javascript.

serve. Static file serving and directory listing

gamercade_console. A Neo-Retro Fantasy Console. Make WASM-powered, networked multiplayer games.

asm-blox. Programming game in Emacs involving blocks of WAT.

wasm-micro-runtime. WebAssembly Micro Runtime (WAMR)

waves-ui. A library to display and edit audio data and timeseries data in the browser.

wavesurfer. R interface to wavesurfer

ChatGPT3DS. Make OpenAI API calls directly from your Nintendo 3DS! Made with Lovebrew :)

wasm3DS. Run WASM3 on a 3DS

snake-assemblyscript-ds. Snake DS written in AssemblyScript

toodle.studio. turtle graphics playground

wasm-audio-decoders. Browser and NodeJS Web Assembly audio decoder libraries that are highly optimized for size and performance.

TIC-80. TIC-80 is a fantasy computer for making, playing and sharing tiny games.

chibi-scheme. Official chibi-scheme repository

safe-wallet-monorepo. Safe{Wallet} – smart account wallet

wasm4-game-of-life. Zig implementation of the famous Conway's Game of Life

webuxn. Web runtime for the uxn virtual machine.

wasm3. 🚀 A fast WebAssembly interpreter and the most universal WASM runtime

wasm4. Build retro games using WebAssembly for a fantasy console.

scheme. An R7RS Scheme implemented in WebAssembly

pokegb. A gameboy emulator that only plays Pokemon Blue, in ~50 lines of c++.

awesome-uxn. Awesome things from the community

blind-jump-portable. Action/adventure game for the Nintendo GameBoy Advance and Sony PSP

play.core. ASCII Playground

ethers-multisend. An npm package for crafting multi-send transaction from a Safe, based on ethers.js

gelato-safe-module. Gelato Safe Module to automate transactions for Gnosis Safe's

safe-recovery-module. Safe recovery module to recover a lost safe after a recover period

ai-cli. Get answers for CLI commands from ChatGPT right from your terminal

norns-shield. minimal/tiny open-source/DIY shield for Raspberry Pi boards, providing hardware compatibility with the norns ecosystem.

auto-subtitle. Automatically generate and overlay subtitles for any video.

cursor-effects. Old-school cursor effects for your browser built with modern JavaScript

paip-lisp. Lisp code for the textbook "Paradigms of Artificial Intelligence Programming"

norns-desktop. norns in docker

emacs-mini-frame. Show minibuffer in child frame on read-from-minibuffer

cow-safe. TypeScript

copilot.el. An unofficial Copilot plugin for Emacs.

gnosis-safe-delegate-dapp. A dapp that demonstrates how to allow Gnosis-Safe delegation through Metamask or Ledger, without revealing users' private key.

Gnosis-Design. Bringing Gnosis Safe To Surface

IchigoLisp. LISP 1.5(-ish) implementation in WebAssembly

drum-machine. I made this drum machine.

spark-joy. ✨😂 2000+ ways to add design flair, user delight, and whimsy to your product.

Lurnby. A tool for active reading and personal knowledge management

kindle-formatter. 📚 Kindle Highlights Formatter

puni. Structured editing (soft deletion, expression navigating & manipulating) that supports many major modes out of the box.

blog. gamedev blog

luapico. A programming environment for Lua for the Raspberry Pi Pico microcontroller

zorb. Zorb zelated zings

gambscript. Integration between Gambit Scheme Javascript backend and Webpack

workshop-p5-intro. Intro to Creative Coding workshop with p5.js and Tone.js

emfy. A dark and sleek Emacs setup for general purpose editing and programming

comlink. Comlink makes WebWorkers enjoyable.

cryptomas-public. Create holiday-themed cryptocurrency gift cards! 🎅

bondisxmasbox. This is the parenscript source for "Bondi's Box: Christmas Edition", an HTML5 falling/stacking puzzle game.

O_C-BenisphereSuite. Benisphere Suite is a continuation of Hemisphere Suite, an alternate firmware for Ornament and Crime, featuring a dual-applet framework with dozens of different modular functions.

notebook-mode. GNU Emacs notebook mode

nfts-tuto. JavaScript

noted. Extracts annotations/highlights from documents (pdf etc.), ebook readers (kindle, koreader etc.) to markdown

rough-notation. Create and animate hand-drawn annotations on a web page

safe-sign-tx. Small static HTML page for signing and executing Gnosis Safe transactions.

anki-apkg-export. :book: Generate decks for Anki (spaced repetition software)

GRAINS. Firmware for the GRAINS module from tangible waves

Recoil. Recoil is an experimental state management library for React apps. It provides several capabilities that are difficult to achieve with React alone, while being compatible with the newest features of React.

btcticker. ePaper Cryptocurrency Ticker

seedsigner. Use an air-gapped Raspberry Pi Zero to sign for Bitcoin transactions! (and do other cool stuff)

ns-auto-titlebar. In Emacs, set the MacOS transparent titlebar to match the current theme

Eurorack_DIY-Eagle-Panels.

GMO-Clone. a non commercial clone of the Moffenzeef GMO

EuroPi-Prototype. Files for the EuroPi Project, including sample code, PCB files, and explanations of the code

VCLFO. a voltage-controlled low frequency oscillator for eurorack

Offshoots. DIY adaptation of Mutable Instruments' Branches

norns-image. Shell

xyflow. React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.

boring-avatars. Boring avatars is an open source React library that generates custom, SVG-based avatars from any username and color palette.

zx. A tool for writing better scripts

label-studio. Label Studio is a multi-type data labeling and annotation tool with standardized output format

gecko. Gecko - A Tool for Effective Annotation of Human Conversations

lotti. Open-source private logbook with a local agentic layer. Long-living AI agents read what you record and propose what to do next. Hardware permitting, the models runs locally too. Matrix + Vodozemac for end-to-end encrypted sync between your own devices.

SubPlayer. SubPlayer is no longer maintained, please consider Aimu

on-chain-chess. Play decentralised chess on the Ethereum blockchain!

redux-localstorage-simple. Save and load Redux state to and from LocalStorage.

Teensy-Gurdy. Code and design files for building your own hurdy gurdy-inspired, Teensy-powered synthesizer!

MotherBrain. C++

ink. 🌈 React for interactive command-line apps

Fennel. Lua Lisp Language

iron-session. 🛠 Secure, stateless, and cookie-based session library for Next.js or any JavaScript framework

eslisp. un-opinionated S-expression syntax and macro system for JavaScript

teensy-eurorack. Hardware Design: Eurorack shield for teensy 4.1 with 14 in / 16 out analog channels

slider. 🎚️ Accessible React slider for single values, ranges, marks, and editable handles.

samsara. a minimalist looper for norns that eventually reaches nirvana

mp3-mediarecorder. 🎙MediaRecorder ponyfill that records audio as mp3

benjolin. Rob Hordijk's Benjolin in the Eurorack format.

Paradise. Dream Diary

XFM2UI. Arduino User Interface for XFM2 based on Teensy 4.0

nono. nanoloop inspired midi sequencer for monome norns

compass. Asynchronous looper and softcut sequencer for Monome Norns

zellen. game of life based sequencer for monome norns

emoji-mart. 🏪 One component to pick them all

reels. reel to reel tape player for norns