FreePBX

FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. FreePBX is licensed under the GNU General Public Licens...
Language(s): PHP
Operating system(s): Linux
License: AGPL v3 and GPL v3

H5P

H5P is a free and open-source content collaboration framework based on JavaScript. H5P is an abbreviation for HTML5 Package, and aims to make it easy for everyone to create, share and reuse interactiv...
Language(s): PHP
Operating system(s): Cross-platform
License: MIT+

InoERP

inoERP is an open source web based enterprise management system. It’s built using open source technologies and has a wide range of features suitable for running various kind of businesses. The primar...
Language(s): PHP, JavaScript, SQL
Operating system(s): Cross-platform
License: Mozilla Public License Version 2.0

LimeSurvey

LimeSurvey - The No.1 of open source survey tools LimeSurvey is the tool to use for your online surveys. Whether you are conducting simple questionnaires with just a couple of questions or advanced ...
Language(s): PHP
Operating system(s): Windows, Linux, Unix, Mac OS X
License: GNU General Public License

Mantis Bug Tracker

Mantis Bug Tracker is a free and open source, web-based bug tracking system. The most common use of MantisBT is to track software defects. However, MantisBT is often configured by users to serve as a ...
Language(s): PHP
Operating system(s): Cross-platform
License: GNU General Public License version 2