Zentyal (formerly eBox Platform) is an open source unified network server software package (or a Unified Network Platform) for small and medium enterprises (SMEs). Zentyal can act as a Gateway, Network Infrastructure Manager, Unified Threat Manager, Office Server, Unified communications Server or a combination of them. Besides, Zentyal includes a development framework to ease the development of new Unix based services.
The project's source code is available under terms of the GNU General Public License, as well as under a variety of proprietary agreements. Zentyal is owned and sponsored by a single for-profit firm, the Spanish company eBox Technologies S.L., which holds the copyright to the codebase.