# Mastodon |  | Mastodon is a free and open-source software for running self-hosted social networking services. It has microblogging features similar to Twitter, which are offered by a large number of independently run nodes, known as instances or servers, each with its own code of conduct, terms of service, privacy policy, privacy options, and content moderation policies. | |-|-| | | wikipedia:: [Mastodon (social network)](https://en.wikipedia.org/wiki/Mastodon_(social_network)) |