Barracuda Kindweb framework, free softwareLicenceGNU Lesser General Public LicenseUsed forweb framework
Crystal Space Kindapplication software, game engine, free software, graphics engineImplemented inC++Latest version2.0 (July 3, 2012)
Flexible Isometric Free Engine Kindgame engine, free softwareLatest version0.4.0LicenceGNU Lesser General Public License
Flexive Kindweb framework, free softwareImplemented inJavaLicenceGNU Lesser General Public License, GNU General Public License
Hibernate Kinddatabase abstraction layer, Java software library, free software, data access layer, object–relational mapping, persistence frameworkImplemented inJavaAppeared2001
Horde Kindopen-source software, web frameworkImplemented inJavaScript, PHPLatest version6.2.1 (July 22, 2026)
Kajona Kindcontent management system, web framework, free softwareImplemented inPHPLatest version6.2 (June 8, 2017)
Open Dynamics Engine Kindsoftware library, free software, physics engineImplemented inC++Appeared2001
Python-Ogre Kindsoftware library, game engine, free softwareImplemented inPythonLicenceGNU Lesser General Public License
Qooxdoo Kindsoftware library, JavaScript framework, free software, JavaScript libraryImplemented inJavaScriptLatest version7.9.3 (June 5, 2026)
Shark Framework Kindfree softwareLatest version2.13.1 (May 26, 2015)LicenceGNU Lesser General Public License
ZK Kindweb framework, Java software library, free softwareImplemented inJavaLatest version9.6.0 (August 10, 2021)