Functional Programming
Scalaz is a Scala library for functional programming, providing purely functional data structures to complement those from the Scala standard library
Last Release on Jun 13, 2026
Functional Java is an open source library that supports closures for the Java programming language
Last Release on Feb 11, 2022
Functional programming API borrowing heavily from Ruby and Clojure but staying within the bounds of Java
Last Release on Jul 25, 2013