Collections
1.Fastutil1,256 usages
it.unimi.dsi » fastutil Apache
fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists, and queues with a small memory footprint and fast access and insertion; it provides also big (64-bit) arrays, sets and lists, sorting algorithms, fast, ...
Last Release on Oct 5, 2025
feature-rich collections framework for Java, offering alternatives to standard Java Collections.
Last Release on Jun 23, 2025
The API module of Eclipse Collections, offering rich and efficient data structures for Java.
Last Release on Jun 23, 2025
Types that extend and augment the Java Collections Framework.
Last Release on Nov 12, 2015
Relocated → org.apache.commons »
commons-collections4
5.SparseBitSet75 usages
com.zaxxer » SparseBitSet Apache
An efficient sparse bitset implementation for Java
Last Release on Sep 6, 2023
6.Trove (core)127 usages
net.sf.trove4j » core LGPL
High performance collections for Java
Last Release on Aug 3, 2018
7.GNU Trove877 usages
net.sf.trove4j » trove4j LGPL
The Trove library provides high speed regular and primitive
collections for Java.
Last Release on Dec 4, 2014
Relocated → net.sf.trove4j »
core
Google Collections Library is a suite of new collections and collection-related goodness for Java 5.0
Last Release on Dec 30, 2009
Relocated → com.google.guava »
guava
