* [Zimbra Collaboration] (https://www.zimbra.com/downloads/) - Email, calendar, collaboration server with web interface and lots of integrations. ([Source code]( https://www.zimbra.com/open-source)) `GPLv2/CPALv1``Java`
## Learning and Courses
* [Chamilo LMS](https://chamilo.org/chamilo-lms/) - Chamilo LMS allows you to create a virtual campus for the provision of online or semi-online training. ([Source code](https://github.com/chamilo/chamilo-lms)) - `GPLv3``PHP`
* [Moodle](https://moodle.org/) - Moodle is a learning and courses platform with one of the largest open source communities worldwide. ([Demo](https://moodle.org/demo/), [Source code](https://git.moodle.org/gw)) - `GPL``PHP`
* [Sakai](https://www.sakaiproject.org/) - The Sakai project provides a flexible and feature-rich environment for teaching, learning, research and other collaboration. ([Demo](https://www.sakaiproject.org/try-sakai), [Source code](https://github.com/sakaiproject/sakai)) - `ECLv2``Java`
## Maps & GPS
* [Graphhopper](https://graphhopper.com/) - Fast routing library and server using OpenStreetMap ([Source code](https://github.com/graphhopper/graphhopper))
@ -523,6 +531,7 @@ See [staticsitegenerators.net](https://staticsitegenerators.net) and [staticgen.
* `ARTv2` - [Artistic License Version 2.0](http://opensource.org/licenses/Artistic-2.0)