New Java Data Structures 2026
last commit 6 days ago eclipse-collections/eclipse-collections 2K +6
added 2 months ago
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
last commit 2 months ago bluuewhale/hash-smith 76
added 2 months ago
Fast & memory efficient hash tables for Java
last commit 9 months ago int4-org/common 22
added 9 months ago
Commonly usable Java classes without dependencies.
last commit 1 week ago jctools/jctools 3K +2
added 11 months ago
Java Concurrency Tools for the JVM. This project aims to offer some concurrent data structures currently missing from the JDK.
last commit 8 months ago carrotsearch/hppc 1K +2
added 11 months ago
High Performance Primitive Collections for Java
last commit 7 months ago hrldcpr/pcollections 783 -1
added 11 months ago
PCollections provices persistent, immutable collections for Java.
last commit 1 year ago amitshekhariitbhu/glidebitmappool 600 +1
added 11 months ago
Glide Bitmap Pool is a memory management library for reusing the bitmap memory
last commit 11 months ago spotify/voyager 1K +7
added 1 year ago
An approximate nearest-neighbor search library for Python and Java with a focus on ease of use, simplicity, and deployability.
last commit 2 years ago jankotek/mapdb 5K -2
added 1 year ago
MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
last commit 1 day ago dflib/dflib 312 +3
added 1 year ago
A lightweight pure Java implementation of a common DataFrame data structure.
last commit 1 day ago pivovarit/parallel-collectors 671 +2
added 1 year ago
Parallel Collectors is a toolkit easing parallel collection processing in Java using Stream API.
last commit 1 year ago jhalterman/expiringmap 1K
added 1 year ago
A high performance thread-safe map that expires entries.
last commit 11 months ago lmax-exchange/disruptor 18K +11
added 1 year ago