katspaugh

Audio waveform player

Wavesurfer.js is a JavaScript library that renders a clickable, scrollable audio waveform on a web page and handles audio playback entirely in the browser, no server processing, just drop it in and point it at an audio file.

One note per day

React component for wavesurfer.js

Extract screenshots & audio clips from YouTube videos into Anki cards

Subtitles as a language learning tool

Scripts to export Kindle dictionary look-ups as CSV

Arduino sketches for a modular synthesizer

Flashcards from dictionary look-ups

Real-time multiplayer whiteboard with multitouch support.

ido-at-point

A multi-track super-plugin for wavesurfer.js

Novation Launchpad sequencer

Highlight JavaScript with Tern

Chrome extension to look up words in a dictionary and save as flashcards.

Grammar exercises generated from books & subtitles

Read books with interlinear translation

Flood fill for Canvas

A kanji-based word game

黒文字のEmacsプラグインです

Automated glossing of Japanese texts based on the Kuromoji tokenizer

Eval-defun for JavaScript in Chrome

One isolated Lima VM per GitHub project — sandboxed Claude Code/Codex, Docker, Node, signed git

Flow-based modular synthesizer

Lambda Quest

Shareable flowcharts with real-time collaboration

Totally.

Espeak-based serverless API for IPA transcriptions

Enhanced subtitles on Netflix

Game of Life on 3DS

A scrolling obstacle game

Bhagavad Gita viewer

Modular synth with AudioWorklets

Copy a Safe to another chain

A project explorer sidebar

A match-three puzzle game in CoffeeScript and AngularJS

A game of snake in HTML5 Canvas.

Homebrew tap for machine — one isolated Lima VM per project

🤖 Awesome list of AI Agents

Curated directory of terminal-native AI coding agents and the harnesses that orchestrate them. Covers open-source tools (Pi, OpenCode, Aider, Goose), platform agents (Claude Code, Codex, Gemini CLI), parallel runners, autonomous loops, and agent infrastructure.

LLM-generated, environment-aware tip of the day

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Complexity Control Center

Live recording in the browser

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Sheet music transposition app

Sound more professional and friendly with LLMs

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