There are 3 repositories under immutable-collections topic.
C# functional language extensions - a base class library for functional programming
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
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
Immutable persistent collections for Kotlin
A high-performance immutable mapping type for Python.
A revolutionary ORM framework for both java and kotlin.
Immutable and statically-typeable DataFrames with runtime type and data validation
The Capsule Hash Trie Collections Library
Functional programming, immutable collections and FP constructs for typescript and javascript
Generic, Null-safe, Immutable Collections and Functional Transformations for the JVM
Library providing fast hash based immutable map and set
Efficient Immutable/Persistent Collections for Java
The purpose of this PoC is to implement main real life app use cases and see if Riverpod elegantly supports all the needed mutations.
Artifact accompanying our OOPSLA'15 publication.
Universal facade of JDK 9+ API, focused on Collection factory methods
Truly immutable collections, functional errors handling, laziness, and measurement utilities
Performant copy-on-write collections on the jvm
Collections for PHP - It's basically a syntax sugar over classic array structure, which allows you to use it as classic array, but adds some cool features.
Minimalist and Typed Immutable Collections for PHP
A light-weight Clojure interpreter
Lightweight functional programming library for C#
Working with Cache using Immutable Collections
Import hook to update pysistent values with imperative syntax.
Persistent (immutable) collections for Java and Kotlin
Detailed example of how to use built_value and built_collection dart packages.