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What is FF4J?

It 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.
FF4J is a tool in the Feature Flags Management category of a tech stack.
FF4J is an open source tool with 779 GitHub stars and 204 GitHub forks. Here’s a link to FF4J's open source repository on GitHub

Who uses FF4J?


FF4J Integrations

Java, MongoDB, PostgreSQL, Redis, and Elasticsearch are some of the popular tools that integrate with FF4J. Here's a list of all 15 tools that integrate with FF4J.

FF4J's Features

  • Feature Toggle
  • Role-based Toggling
  • Strategy-based Toggling
  • AOP-driven Toggling
  • Features Monitoring
  • Web Console
  • Wide choice of Databases
  • Spring Boot Starter
  • Command Line Interface

FF4J Alternatives & Comparisons

What are some alternatives to FF4J?
Java 8
It is a revolutionary release of the world’s no 1 development platform. It includes a huge upgrade to the Java programming model and a coordinated evolution of the JVM, Java language, and libraries. Java 8 includes features for productivity, ease of use, improved polyglot programming, security and improved performance.
A library for composing asynchronous and event-based programs by using observable sequences for the Java VM.
The Guava project contains several of Google's core libraries that we rely on in our Java-based projects: collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and so forth.
It is a modern server-side Java template engine for both web and standalone environments. It is aimed at creating elegant web code while adding powerful features and retaining prototyping abilities.
It is used for building component-based user interfaces for web applications and was formalized as a standard through the Java Community
See all alternatives