Topic: immutable

Godot Engine – Multi-platform 2D and 3D game engine

Pepperoni - React Native App Starter Kit for Android and iOS

lichess.org: the forever free, adless and open source chess server.

Use React, Redux, Immutable to code Tetris.

redux-immutable is used to create an equivalent function of Redux combineReducers that works with Immutable.js state.

Postmodern immutable and persistent data structures for C++

Immutable and structurally typed data

The Capsule Hash Trie Collections Library

Redux middleware that prevents state from being mutated anywhere in the app

An extended core library for F#.