HumHub is an open source social network kit. The self-hosted software enables you to create social networks and social intranets. The company advertises scalable options for customizing the platform itself and its functions, so that enterprise solutions in particular can be flexibly adapted to the growth of the respective company. The basic version of HumHub can be used free of charge, while the professional version is priced according to the number of users.
If you integrate seven into the software, you can provide an easy way for the members of your network to send SMS in HumHub.