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Top Java Data Structures 2025

GitHub Libraries → Java → Data Structures
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lmax-exchange/disruptor 17K +22

added 2 months ago

High Performance Inter-Thread Messaging Library.

Java Data Structures Messaging Libraries

jankotek/mapdb 4K +3

added 1 month 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.

Java Data Structures Databases Kotlin Data Structures Databases

jctools/jctools 3K +7

added 3 weeks ago

Java Concurrency Tools for the JVM. This project aims to offer some concurrent data structures currently missing from the JDK.

Java Data Structures Concurrency Libraries

amaembo/streamex 2K +3

added 2 months ago

Enhancing the Java Stream API.

Java Data Structures

spotify/voyager 1K +9

added 1 month ago

An approximate nearest-neighbor search library for Python and Java with a focus on ease of use, simplicity, and deployability.

Python Data Structures Search Libraries Java Data Structures Search Libraries

jhalterman/expiringmap 1K

added 2 months ago

A high performance thread-safe map that expires entries.

Java Data Structures

carrotsearch/hppc 1K +3

added 3 weeks ago

High Performance Primitive Collections for Java

Java Data Structures

hrldcpr/pcollections 769 -1

added 3 weeks ago

PCollections provices persistent, immutable collections for Java.

Java Data Structures

pivovarit/parallel-collectors 613 +1

added 2 months ago

Parallel Collectors is a toolkit easing parallel collection processing in Java using Stream API.

Java Data Structures

amitshekhariitbhu/glidebitmappool 594

added 4 weeks ago

Glide Bitmap Pool is a memory management library for reusing the bitmap memory

Java Data Structures Android Data Structures

dflib/dflib 256 +2

added 1 month ago

A lightweight pure Java implementation of a common DataFrame data structure.

Java Data Structures Data Science Libraries DataFrame Libraries

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