Webasyst is a new open source PHP framework for developing sleek multi-user web apps, and complex websites. Comparing to other frameworks such as Zend and Symfony, Webasyst framework stays more focused and allows building apps for business and team usage more quickly and efficiently. The framework offers lots of ready-to-use tool for user management and authorization, UI building, mobile-ready access, etc.
Webasyst framework has been designed in such a way that within a single installed software instance, several different applications can be installed and used. It was one of the main goals of creating the framework to allow tight integration and interaction between several applications. Webasyst released under LGPL license that permits creation of commercial applications, which makes Webasyst a great platform for developing web apps for businesses.
Requirements: PHP Framework
Download Link: http://www.webasyst.com/
License: LGPL License