Declarative audio synthesis for the web

Docs for humans and agents, built on Astro

Textream is a free macOS teleprompter app for streamers, interviewers, and presenters. It highlights your script in real-time as you speak, displayed in a beautiful Dynamic Island overlay. With ext…

Opinionated Oxlint rules for rejecting low-evidence TypeScript and JavaScript patterns

Render markdown on the CLI, with pizzazz! 💅🏻

OpenTUI is a library to build terminal user interfaces (TUI)

Codex/ChatGPT multiple account load balancer & proxy with usage tracking, dashboard, and OpenCode-compatible endpoints

A self-improving RLM agent for coding workflows and long-running autonomous tasks.

External-model router for Codex with guided Kimi OAuth/API, DeepSeek, safe migration, and rollback.

Automated friction logging for agents.

Zero-dependency spreadsheet engine. Read & write XLSX, CSV, ODS. Pure TypeScript, works everywhere.

Load test HTTP, database, and Redis on one clock and correlate their latency to pinpoint the real bottleneck — with a shareable HTML report

Copy-on-write git worktrees for AI agent fleets

Real-time animated line chart for React.

Use Effect with Convex!

Type-safe, real-time backend framework on your own Cloudflare account — Workers, Durable Objects, D1, R2, Queues. Convex-style DX, Vite-first.

A Convex component for adding natural language database queries to your app.

Ultra-fast and customizable Python charts

A Sync Engine for the web: React (TanStack Router), Web Workers, Effect, Loro ⚡️

Lightweight Result type for TypeScript with generator-based composition.

The Yjs CRDT WebSocket backend for conflict-free real-time collaboration in your app.

Fast cross-platform HTTP benchmarking tool written in Go

Unified media-creation CLI for agents: make, transform, and analyze image/video/audio

Effect-Query - The Tanstack Query integration with Effect.

HealthKit bindings for React Native with TypeScript

On-device LLM execution in React Native with Vercel AI SDK compatibility

🧬 High-performance TensorFlow Lite library for React Native with GPU acceleration

React Native binding of llama.cpp

Digging through logs is not observability. It's hope — wide events, structured errors, TypeScript-first, every runtime.

Type-Safe Errors for JS & TypeScript