Java High Performance

9.7

5.9

Disruptor

8.0

4.7

JCTools

7.7

9.5

Agrona

7.5

9.3

Eclipse Collections

6.9

0.0

GS Collections

6.7

7.3

fastutil

11 High Performance libraries and projects

Disruptor

9.7 5.9 L4 Java

High Performance Inter-Thread Messaging Library
JCTools

8.0 4.7 L4 Java

Concurrency tools currently missing from the JDK.

Stream - Scalable APIs for Chat, Feeds, Moderation, & Video.

Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

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Agrona

7.7 9.5 L4 Java

High Performance data structures and utility methods for Java
Eclipse Collections

7.5 9.3 L4 Java

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
GS Collections

6.9 0.0 L4 Java

GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections. https://www.eclipse.org/collections/
fastutil

6.7 7.3 L1 Java

fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.
HPPC

5.8 2.4 L4 Java

High Performance Primitive Collections for Java
Koloboke

5.8 0.0 L3 Java

Java Collections till the last breadcrumb of memory and performance
Trove

4.1 -

Primitive collections.
Primitive-Collections

2.1 3.1 Java

A Primitive Collection library that reduces memory usage and improves performance and provides a lot of QoL
Javolution

1.8 -

Library for real-time and embedded systems.

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

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