Best Open Source Java Frameworks

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Browse free open source Java Frameworks and projects below. Use the toggles on the left to filter open source Java Frameworks by OS, license, language, programming language, and project status.

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1

ZK - Simply Ajax and Mobile

ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.

45 Reviews

Downloads: 17 This Week

Last Update: 2025-09-04
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2

JPPF

The open source grid computing solution

JPPF makes it easy to parallelize computationally intensive tasks and execute them on a Grid.

17 Reviews

Downloads: 6 This Week

Last Update: 2018-09-17
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3

Codemart Installer Framework

This framework provides the easiest way to build cross platform installers based on Java technologies. Due to its extensible architecture, it can be easily adjusted to fit your needs and allows nice UI interfaces implemented with Groovy or JavaFX.

1 Review

Downloads: 0 This Week

Last Update: 2014-03-18
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4

groowiki

Wiki application based on SVN as storage, Velocity to display pages, Lucene to search and programmable using Groovy.

Downloads: 0 This Week

Last Update: 2013-04-03
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