Mastodon gGmbH

Mastodon gGmbH (alongside Mastodon Inc., our US 501(c)(3) non-profit) is the non-profit organisation behind Mastodon, operating with 10 FTEs. Built on Ruby (backend) and Javascript/Typescript (frontend), we build and steward an open-source social infrastructure that is free — both in cost and freedom, creating authentic digital spaces where communities can flourish. We champion user sovereignty, authentic human connection, and technology that serves people rather than extracting value from them. Our mission is to provide robust, safe places for people and institutions that last forever, free from corporate control and extractive economies.