Mozilla Foundation's annual open internet and digital rights festival at Recinte Fabra i Coats in Sant Andreu, Barcelona, 28-30 October. The 2026 theme is 'Wilding', focused on decentralized and community-owned digital infrastructure. Part of Open Tech Week Barcelona. Community session proposals open.
Mozilla Festival, also known as MozFest, is the Mozilla Foundation's annual community festival on the open internet, digital rights and the future of digital infrastructure. The 2026 edition runs under the theme "Wilding" at Recinte Fabra i Coats in the Sant Andreu district of Barcelona. It covers the open internet, decentralized digital infrastructure, AI and society, digital rights and open source. The festival forms part of Open Tech Week Barcelona, and the organiser reports around 3,000 attendees.
MozFest runs as a community festival rather than a top-down conference. Much of the programme comes from the community itself through session proposals, with the foundation curating across the theme. The 2026 "Wilding" framing centres on decentralized and community-owned digital infrastructure, placing control of technology with communities rather than centralised platforms. The festival sits within Open Tech Week Barcelona, connecting it to other open technology events in the city that week.
The 2026 edition runs under the theme "Wilding". The framing focuses on decentralized and community-owned digital infrastructure, drawing on the idea of returning control of digital systems to the communities that use them.
The call for community session proposals is open for the 2026 edition. Much of the festival programme is shaped by these community submissions, made through the official website.
Mozilla Festival, or MozFest, is the annual community festival of the Mozilla Foundation on the open internet and digital rights. The 2026 edition runs at Recinte Fabra i Coats in Barcelona on 28-30 October under the theme "Wilding".
"Wilding" frames the 2026 edition around decentralized and community-owned digital infrastructure, focusing on shifting control of digital systems toward communities rather than centralised platforms.
Yes. The 2026 edition forms part of Open Tech Week Barcelona, alongside other open technology events in the city that week.
The festival is held at Recinte Fabra i Coats, Carrer de Sant Adria, in the Sant Andreu district of Barcelona, postcode 08030. The former textile factory complex provides multiple spaces suited to a community festival running many parallel sessions.
The Mozilla Foundation is a non-profit organisation working on the open internet, digital rights and open source. It organises Mozilla Festival as its annual community gathering. Further corporate details are available via the official website.
Mozilla Festival 2026 is the open internet community's three-day gathering in Barcelona: the Wilding edition at Recinte Fabra i Coats on decentralized digital infrastructure, AI and society, and digital rights.
Registration is handled through the official website. The 2026 prices were not confirmed as of verification; for reference, the 2025 edition offered a Community Pass at EUR 55 and a Festival Pass at EUR 200.
| Tier | Price (2025 reference) |
|---|---|
| Community Pass | EUR 55 |
| Festival Pass | EUR 200 |
The 2026 pricing remains to be confirmed by the organiser.
The 2026 prices were not confirmed as of verification. As a 2025 reference, the Community Pass was EUR 55 and the Festival Pass was EUR 200.
The call for community session proposals is open for 2026. Proposals are submitted through the official website.
The organiser self-reports around 3,000 attendees.
| Official website | https://www.mozillafestival.org/ |