New Java Data Structures 2025
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last commit 6 days ago eclipse-collections/eclipse-collections 2K
added 20 hours ago
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
last commit 2 days ago bluuewhale/hash-smith 76
added 2 days ago
Fast & memory efficient hash tables for Java
last commit 6 months ago int4-org/common 22
added 6 months ago
Commonly usable Java classes without dependencies.
last commit 1 year ago jctools/jctools 3K +5
added 9 months ago
Java Concurrency Tools for the JVM. This project aims to offer some concurrent data structures currently missing from the JDK.
last commit 6 months ago carrotsearch/hppc 1K +1
added 9 months ago
High Performance Primitive Collections for Java
last commit 5 months ago hrldcpr/pcollections 784 -1
added 9 months ago
PCollections provices persistent, immutable collections for Java.
last commit 1 year ago amitshekhariitbhu/glidebitmappool 596 +1
added 9 months ago
Glide Bitmap Pool is a memory management library for reusing the bitmap memory
last commit 9 months ago spotify/voyager 1K +7
added 9 months 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 +5
added 10 months 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 4 days ago dflib/dflib 299 +12
added 10 months ago
A lightweight pure Java implementation of a common DataFrame data structure.
last commit 3 days ago pivovarit/parallel-collectors 660
added 10 months ago
Parallel Collectors is a toolkit easing parallel collection processing in Java using Stream API.
last commit 11 months ago jhalterman/expiringmap 1K
added 10 months ago
A high performance thread-safe map that expires entries.
last commit 8 months ago lmax-exchange/disruptor 18K +32
added 10 months ago