A framework for building native applications using React

A library that provides an embeddable, persistent key-value store for fast storage.

The open-source database for the realtime web.

A modern replacement for Redis and Memcached

A virtual machine for executing programs written in Hack.

Convert HTML to PDF using Webkit (QtWebKit)

Native cross-platform MongoDB management tool

Open Source Routing Machine - C++ backend

The JavaScript / Wasm runtime that powers Cloudflare Workers

A fast compressor/decompressor

Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL

Mapnik is an open source toolkit for developing mapping applications

HeavyDB (formerly OmniSciDB)

Build vector tilesets from large collections of GeoJSON features.

OpenStreetMap data to PostgreSQL converter

Using Dijkstra's algorithm ("finding the shortest paths between nodes in a graph") to draw maps 🌍.

A database engine to query the OpenStreetMap data.

Extracts coastline data from OpenStreetMap planet file.

Convert admin relations to render borders