The simply the best collection of most voted scripts
Kalture CE is a free and open source self-hosted video platform.
Timelines are a great way to visualize processes.
A lightweight jQuery plugin that produces a smooth hover effect that fades out images and shows a custom icon when a user hovers over an image.
Seed-PHP is a microframework that offers you a really simple way to implement powerful RESTful APIs or even simple web sites that could support pretty much all needed methods and responses in JSON or XML formats.
Fusio is an open source API management platform that helps to build and manage RESTful APIs. It can connect to many different databases, message queue systems and internal web services.
FreeScout is the perfect helpdesk solution for those who need to provide a professional customer support, but who can not afford to pay for Zendesk or Help Scout. FreeScout is a pure PHP/MySQL application, so it can be easily deployed even on a shared hosting.
Subrion is a PHP/MySQL based CMS and framework that allows you to build websites for any purpose. From blog to corporate mega portal. Many free templates and premium scripts available.
Admidio is a free open source user management system for websites of organizations and groups. The system has a flexible role model. The system contains several modules such as member lists, event manager, guestbook, photo album and download area.
Opulence is a PHP web application framework that simplifies the creating and maintaining of a secure, scaleable web site. Things like database management, caching, ORM, page templates and routing are a cinch.