Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included

A full-stack example app built with JHipster, Spring Boot, Kotlin, Angular 4, ngrx, and Webpack

A high-performance immutable mapping type for Python.

Automatically perform UITableView and UICollectionView animations between two sets of immutable data. It supports generic data types and is fully thread-safe.

The StaticFrame library consists of the Series and Frame, immutable data structures for one- and two-dimensional calculations with self-aligning, labelled axes.

C++ as a Pure Functional Programming Language

Immutable and persistent collections for PHP

A python lens library for manipulating deeply nested immutable structures

An attempt to write small programs (eg -algorithms) in a functional way.

Functional, composable, asynchronous, type-safe Python.

A typed, persistent store for values of arbitrary types

An implementation of HAMT data-structure in Swift

Immutable/Constant Objects for JavaScript

A Scala library that provides various data structures.

immutable datastructures in lua

Reimplementing the Haskell prelude in Scala (for fun)

Scala Exercises for the Scala Optics library Monocle http://julien-truffaut.github.io/Monocle/

Support material for "Functional Programming in Swift" @ Functional Conf, Bangalore, 2017

A Java dynamic proxy factory for interface-typed data transfer objects

Purely functional data structures in Java

Mutable and immutable persistent maps and sets as hash array mapped trie (HAMT) for FreePascal

Immutable state management for TypeScript

An immutable operator-based state container for JavaScript.

A bumbling foray in immutable data structures land. In Crystal!

C# Library used to ease immutable class creation and data management

basic immutable JavaScript objects and arrays, with a small API surface area

A functional optic library for PHP

Mathematical numerical named static constants useful for different disciplines

An implementation of an immutable list for Julia

A light-weight Clojure-like Lisp