Berlin FediDay

Above the skyline of Berlin the Fediverse logo. The Berlin Fediverse Day will be on the 11th to 13th September 2026 at the c-base (Rungestraße 20, Berlin).

The 3rd Berlin FediDay is a networking event for people in the Fediverse. Through talks, workshops and networking opportunities, we aim to spread knowledge about the Fediverse, promote creative solutions and strengthen dialogue between developers, admins, academia, civil society and content creators. With over 70 sessions across three halls, a workshop room and several cosy meeting spots stretching from the banks of the Spree to the roof terrace, FediDay is the largest conference dedicated to alternative social networks. It will take place from 11 to 13 September at c-base in Berlin.

We are convinced that a decentralised and free network is the best way to establish a sustainable alternative to Big Tech. This is the only way to enable democratic exchange without being dependent on platforms controlled by profit-driven monopolists, which use algorithmically generated timelines to serve us adverts, promote right-wing baiting or hide content they find objectionable.

Our aim is therefore to establish and expand a strong network that brings together expertise and encourages and empowers participants to remain actively involved after the event and to support each other’s projects. Together, we want to further strengthen the Fediverse in German-speaking countries and across Europe, and provide a platform that fosters exchange and cooperation within the community.

Perhaps you’re already active on Mastodon, Pixelfed or PeerTube. Perhaps you develop applications yourself or are involved with decentralised social networks for activist reasons, for research purposes, or as a platform for sharing your art. Whether you’re a power user or completely new, the programme offers everything you’d expect from a good hacker conference, from beginner’s workshops to panel discussions and parties.

Tickets (and merchandise) are available from 1 August, noon, at ctix.c-base.org/fediday/fediday26

If you have submitted a talk or workshop, you can update your descriptions here.

Support

A big “Thank you!” for financial support goes out to the Newsmast Foundation and Mastodon GmbH.

Accessibility

The entrance to the c-base coming from the Rungestraße is barrier free and the main hall of c-base is accessible to wheelchair users. The theatre hall is accessible by lift. The lift to the roof terrace does not go all the way to the top, so unfortunately the rooftop can only be reached by a set of stairs.

Networking

In addition to the event, we have set up an open e-mail mailing list for further networking beyond Fediday. Both German and English are spoken on the mailing list.

While organising the conference a Zotero collection of scientific literature about the Fediverse has been created collaboratively.

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