- 2021 Participant, “Workshop Regular Expression workshop“, FSFE LibrePlanet
- 2020-2021 Participant, “Digitale Autonomie durch Freie Software (WiSe 2020/21)” at Humboldt-Universität zu Berlin
- 2019- Fellow Hostsharing eG; Deputy Coordinator FSFE BNL
- 2018- Member, Free Software Foundation
- 2014- Dutch translator for Free Software Foundation Europe
- 2009- User Free Software operating system
- 2009- DRM-free
