Description: HumHub is an open-source social networking software that allows organizations and companies to create private social networks. It has features like user profiles, groups, forums, messaging, and more. HumHub is written in PHP and can be self-hosted on your own server.
Type: software
Pricing: Open Source
Description: Mastodon is an open-source, decentralized social media platform similar to Twitter. It allows users to post 'toots' of up to 500 characters to followers within a federated network of independently operated servers.
Type: software
Pricing: Free