OpenGoo is a free software package that allows you on your own server is a web-based office suite, you can develop.
UPDATE: OpenGoo has a name change to undergo. The program is now called Feng Office. The free version of the program that you are on your own server you can install is called Feng Office Community Edition.
OpenGoo is an open source online office suite. OpenGoo you can install on your own server and you can then online of the following features: document management, email management, project management, contact management, and time management. OpenGoo is so extensive that it is a complete solution for the support of collaboration and increasing productivity within an organization.
OpenGoo provides a free alternative for Microsoft Sharepoint.
OpenGoo has the following characteristics:
You can free download OpenGoo and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.