Absurdly high performance immutable collections.

Lightweight freeze-based immutable data structures in JavaScript

Immutable maps ans collections for Kotlin and Java without additional dependencies.

Performant copy-on-write collections on the jvm

Import hook to update pysistent values with imperative syntax.

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

A general-purpose implementation of a Relaxed Radix Balanced tree.

Playing around with immutable collections in Rust.

Persistent (immutable) collections for Kotlin

Efficient immutable list implementation written in go.

Efficient immutable hash map implementation written in go.

Golang collections for builtin types and generic slices

Code generator for golang collections

Detailed example of how to use built_value and built_collection dart packages.

Simple implementations of immutable collectons like List, Map and Set for Java 8

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

Working with Cache using Immutable Collections