Security provides an infrastructure for sophisticated authorization systems, which makes it possible to easily separate the actual authorization logic from so called user providers that hold the users credentials. It is inspired by the Java Spring framework.
The Symfony PHP framework
CiviCRM (Core Application and Framework)
Zikula Core Framework
[READ-ONLY] Core of Shopsys Framework - open source framework for building large, scalable, fast-growing e-commerce projects based on Symfony
Core framework that implements the functionality of the Sulu content management system
Nebula is a WordPress theme framework that focuses on enhancing development. The core features of Nebula make it a powerful tool for designing, developing, and analyzing WordPress websites consistently, yet its deliberately uncomplicated code syntax also serves as a learning resource for programmers themselves.
WoltLab Suite Core (previously WoltLab Community Framework)