The most hackable AI agent

Lean-Yjs: Formal Verification of Yjs Integration Algorithm

⛅️ Home to Wrangler, the CLI for Cloudflare Workers®

A tiny AWS SDK for Effect

Library for performant, modular, low-memory file processing at scale, in the Cloud

An open-source library for long-lived processes with realtime, persistence, and hibernation

Infrastructure as TypeScript

Free travel times between U.S. Census geographies

Scalable caching pattern using Cloudflare Durable Objects for high-traffic applications

100+ mini web projects using HTML, CSS and JavaScript.

Embeddable Postgres with real-time, reactive bindings.

Single HTML file, TikTok-style webapp

👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.

🐌 A suite of libraries for building reactive HTML notebooks with inline contenteditable <script>s

NixOS Weekly Newsletter

The Nix community RFCs

Nix Packages collection & NixOS

Easily turn your Click CLI into a powerful terminal application

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

Dark color scheme for Vim and vim-airline, inspired by Dark+ in Visual Studio Code

Cluster membership protocol with failure detection inspired by Cassandra and DynamoDB

Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

Serverless PHP on AWS Lambda

Abstract Syntax Tree (AST) Query Engine

VS Code extension that allows you to record and play back guided tours of codebases, directly within the editor.