Feature for Java Platform made easy
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See how money openly circulates through ff4j. All contributions and all expenses are published in our transparent public ledger. Learn who is donating, how much, where is that money going, submit expenses, get reimbursed and more!
ff4j is all of us
Our contributors 22
Everyone who has supported ff4j. Individuals and organizations that believe in –and take ownership of– our purpose.
FF4j is an implementation of Feature Toggle pattern : Enable and disable features or your applications at runtime thanks to dedicated web console, REST API, JMX or even CLI. It handle also properties and provide generic interfaces.