Eclipse Collections is a collections framework for Java
Digital library with smart shelves
Object-functional library that runs with Java 8+
Collection of reusable tested Java 21 compatible code snippets
Ultra-fast matching engine written in Java based on LMAX Disruptor
High performance three-high-import import system
Multilock, Collections, Controllers, Delegates, Generators, Streams
Java util library with many goodies that will blow Your mind.
Common classes for Java developers needed by most projects.
A java configuration file and command line parser
Ruby Collections for Java
Immutable/Persistent Collections Library
Visitor and filtering decoration of java collections.
Bidirectional java type converters (JSON, XML, ...)
Lightweight utility classes that complement the standard libraries.
HE-Collections - independent from hashCode() and equals(Object)
Java library to work with scalar arrays as usual Collections