Slotmap is a sequence container with weak reference keys written in C++17.

Simple HTML5 drag-drop zone with React.js.

fheroes2 is a recreation of Heroes of Might and Magic II game engine

React Hooks — 👍

Runtime type system for IO decoding/encoding

CLI for generating, building, and releasing oclif CLIs. Built by Salesforce.

yargs the modern, pirate-themed successor to optimist.

A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

Functional programming in TypeScript

A reusable error boundary component for catching JavaScript errors and displaying fallback UIs.

STL compatible C++ memory allocator library using a new RawAllocator concept that is similar to an Allocator but easier to use and write.