The 1.9 branch is a stable base to be used in a production environment. It has more than 200 developed apps from the eyeOS community and 35 base applications bundled in the system. It has been the stable branch for more than 2 years now. Download the latest version of eyeOS 1.X to install on your server (you only need Apache and PHP5). If you also want to have Office file edit support and you have a dedicated server, you can follow these instructions. Once you have your server running, please consider visiting the rest of available downloads to install new languages and applications to your eyeos, and develop new applications.
There are hundreds of available applications for eyeOS on the eyeOS 1.x Applications page!
eyeOS is licensed under the terms of the GNU Affero General Public License and follows an Open Source model.