A collaborative note taking, wiki and documentation platform that scales. Built with Django and React. Opensource alternative to Notion or Outline.

Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, and StarRocks

Good-lookin' diffs. Actually… nah… The best-lookin' diffs. 🎉

RBush — a high-performance JavaScript R-tree-based 2D spatial index for points and rectangles

A beautiful config generator for Ghostty terminal.

🌊 Lightweight, intuitive, and customizable JS library that makes building powerful web apps a breeze!

Hot reloading for Hotwire

JSON implementation for Ruby

Open Source realtime backend in 1 file

Limbo is a project to build the modern evolution of SQLite.

Online SQLite playground

Find And Replace plugin for neovim

a multi-system chiptune tracker compatible with DefleMask modules

SQL tips and tricks

Less than 100 Kilobytes. Works for Android 5.1 and above

State-of-the-art transformers for Ruby

A simple and easy-to-use library to enjoy videogames programming

High performance UI layout library in C.

A calmer internet, without any gimmicks.

A self-contained JavaScript wiki for the browser, Node.js, AWS Lambda etc.

A from-scratch experimental AOT JS engine, written in JS

Opinionated Ubuntu Setup

NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB

simple terminal UI for git commands

Open-source E-ink monitor. Mirror of https://gitlab.com/zephray/glider

Algebraic data types for C99

Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

TerminusDB is a distributed database with a collaboration model