Open Source Frameworks
Frameworks that are freely available with their source code shared under a public license.
Updated June 21, 2026
Products that define this theme
A representative set of Java Web Frameworks products that exemplify Open Source Frameworks, curated as a starting point for finding similar software.
Selected from G2's verified user reviews and ratings, then matched to this theme for relevance.
How Did G2 Choose These Open Source Frameworks Products?
The 6 products shown represent a defining sample for the "Open Source Frameworks" theme within Java Web Frameworks on G2 — not an exhaustive list. They are a curated starting point for discovering similar software.
- Sourced from products with verified G2 user reviews and ratings.
- Matched to this theme based on each product's described capabilities and fit, ordered by relevance.
- Rankings and inclusion are unbiased and are not influenced by vendor payment.
Refreshed weekly. Last updated: June 21, 2026.
Apache Turbine is a servlet based framework that allows experienced Java developers to quickly build web applications. Turbine allows you to use personalize the web sites and to use user logins to...
VRaptor 4 delivers high productivity to your Java Web applications on top of CDI. VRaptor is an opensource MVC framework with a large developers and users community.
Apache Struts is a free, open-source, MVC framework for creating elegant, modern Java web applications. It favors convention over configuration, is extensible using a plugin architecture, and ships...
Spark Framework is a lightweight and expressive web framework for Java and Kotlin, designed to facilitate rapid development of web applications and microservices. It offers a simple and intuitive...
A powerful Groovy-based web application framework for the JVM
A component-oriented framework for creating highly scalable web applications in Java.