phpPgAdmin is a web-based administration tool for PostgreSQL. It is perfect for PostgreSQL DBAs, newbies and hosting services.

Website -> http://phppgadmin.sourceforge.net/

Manage your network with a free Network Monitoring Software application. An organized way to manage your network. 100% web-based network management. Manage your network devices with ease. Manage all your network devices, routers, switches, firewalls, hubs, and more.

Website -> http://www.network-management-tool.org/

Agatha is a web based mp3 playing system that allows the home user or office group to stream music, create, manage and share play lists and control the playing of music on a remote system. Agatha needs no database.

Website -> http://agatha.sourceforge.net/

Gallery is a web based software product that lets you manage your photos on your own website. You must have your own website with PHP support in order to install and use it. With Gallery you can easily create and maintain albums of photos via an intuitive interface.

Website -> http://gallery.menalto.com

A collaborative web-based system for projects and project management; WebCollab is easy to use, and encourages users to work together. The software is functionally elegant and secure without being cumbersome for users, or graphically intensive.

Website -> http://webcollab.sourceforge.net/

ATutor is an Open Source Web-based Learning Content Management System (LCMS) designed with accessibility and adaptability in mind. Administrators can install or update ATutor in minutes, and develop custom templates to give ATutor a new look , and easily extend its functionality with feature modules. Educators can quickly assemble, package, and redistribute Web-based instructional content, easily import prepackaged content, and conduct their courses online. Students learn in an adaptive learning environment.

Website -> http://www.atutor.ca/

An Open Source web-based calendar/scheduling system written in PHP. WebCalendar has been under development since 2000 and continues to evolve.

Website – > http://www.k5n.us/

Ampache is a Web-based Audio file manager. It is implemented with MySQL, and PHP. It allows you to view, edit, and play your audio files via the web.

Website – > http://www.ampache.org/