We are event professionals driven by a passion for empowering those committed to the goal of an open and free society. Specialising in working with Open Source and Free Software communities we are proud non-code committers to the wider ecosystem. Our services include full-service event management, ticketing & registration, online events, event conception, program coordination and more. We help small and large companies, communities and institutions to bring people together. By taking away the effort of doing all the necessary but annoying tasks, we allow them to focus on what’s important. Bringing in our experience as organizers of successful events in the Open Source and Free Software space, we aim to make your event shine and stand out. Impressum: Plain Schwarz UG Schönhauser Allee 6-7 10119 Berlin T | +49 30 202 371 438 M| info [at] plainschwarz.com Geschäftsführung: Paul Berschick Ust-IdNr. DE323208868 Registergericht: AG Charlottenburg Registernummer: HRB 205726 B

Wed, March 18, 2026