Open Source Directory

Mediabunny

TypeScript library for reading, writing, and converting media files directly in the browser — like FFmpeg, but for the web. Zero dependencies, tree-shakable, and hardware-accelerated via the WebCodecs API.

SEO Lens

Chrome extension that audits SEO metadata on any webpage with instant scoring, structured data validation, and AI-friendly copyable reports for Claude Code and Cursor.

tfjs-zero-to-hero

Re-implementing classic ML models in TypeScript with @tensorflow/tfjs-node, following Andrej Karpathy's Neural Networks. Zero to Hero. Final destination — a from-scratch two-tower retrieval model on MovieLens.

Executor

Open-source tool gateway for agents from Rhys Sullivan. Normalizes MCP, OpenAPI, GraphQL, and custom sources into one typed SDK that agents call in a sandbox — built on Cloudflare's Code Mode pattern.

Hex

Open-source, fully native macOS voice-to-text app using local Parakeet TDT v3 models with zero network calls. Press-and-hold a hotkey to record, release to paste the transcript anywhere.

Scira

Open-source agentic research platform that plans, retrieves, and returns cited answers across 17 search modes.

telegram-claude

Telegram bot interface for Claude Code on a VPS. Message the bot, it spawns Claude Code in the selected project directory and streams results back — voice notes, streaming responses, session continuity, plan-mode interception.

agent-browser

Rust CLI tool for browser automation designed for AI agent workflows with JSON output and screenshot support.

emulate

Local API emulator that provides stateful, production-fidelity stubs for services like GitHub, Google, and Slack.

just-bash

Simulated bash environment with a virtual filesystem for use in AI agent workflows.

portless

Replaces localhost port numbers with stable named URLs and enables HTTPS and HTTP/2 for local dev servers.

zero-native

Framework for building desktop and mobile apps with Zig backends and web frontends via platform WebViews.

VERT

Free, privacy-first file converter that runs entirely in the browser using WebAssembly. Supports images, videos, audio, documents, and more with no uploads required.

auto-pr

Local Node.js loop that turns GitHub issues into pull requests — label an issue `auto-pr` and a multi-step Claude pipeline (research → plan → implement → review) spawns Claude Code and opens a PR.