Since 2001 the FSFE has been enhancing users' rights by abolishing barriers for software freedom. For 20 years we have been helping individuals and organisations to understand how Free Software contributes to freedom, transparency, and self-determination.

For the next two decades we need your help. We want everyone to be able to control their technology. Free Software and its freedoms to use, study, share, and improve are the key to that goal.

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Youth Hacking 4 Freedom

Jury for YH4F

Participants in Youth Hacking 4 Freedom come from very different backgrounds with different skills. Our jury takes care that every project gets a fair rating.

  • Isabel Drost-Fromm

    Isabel Drost-Fromm

    Isabel Drost-Fromm is member of the Apache Software Foundation, co-founder and board member of the InnerSource Commons Foundation. Interested in all things search and text mining.

  • Antje Kazimiers

    Antje Kazimiers

    After finishing her studies of computer science, Antje Kazimiers worked for several years as a software engineer. More recently, she has been creating educational material on computer science topics and teach programming to students and teachers.

  • Greg Kroah-Hartman

    Greg Kroah-Hartman

    Greg Kroah-Hartman is a major Linux kernel developer. He works as the maintainer for the Linux stable kernel branch and a variety of subsystems. Greg is a co-author of Linux Device Drivers, author of Linux Kernel in a Nutshell and frequently helps in the documentation of the kernel and driver development through talks and tutorials.

  • Vincent Lequertier

    Vincent Lequertier

    Vincent Lequertier is a PhD candidate at the Claude Bernard university in Lyon, France, researching on artificial intelligence for healthcare. During his spare time, he volunteers for the Free Software Foundation Europe, where he helps advance Software Freedom.

  • Neil McGovern

    Neil McGovern

    Neil McGovern has been involved with open source software for over 20 years, both personally and professionally. Neil has run the engineering team of a large open source software consultancy, and is currently the Executive Director of the GNOME Foundation.

  • micu


    micu (Michael Voigt) works as a software engineer in Berlin and has been championing Free Software for over 10 years now. He is one of the main developers of the free Berlin-Vegan Guide app for SailfishOS, Android and iOS. His main fields of interest are IT security, privacy and pro audio software.

  • Hannes Mehnert

    Hannes Mehnert

    Hannes Mehnert is a software engineer working on MirageOS ( at the non-profit robur ( He used to work in academia on formal verification of software and semantics of TCP/IP.

  • Hannes Mehnert

    Claudia Müller-Birn

    Claudia is a professor for Human-Centered Computing at the Freie Universität Berlin. People build software for people; thus, we need to overcome to think of software as something solely technical. On the contrary, it is a socio-technical artifact, and we need to bring the human to the center of our attention.

  • Lydia Pintscher

    Lydia Pintscher

    Lydia has been around Free Software for 15 years, focusing on the people and process side of it. She's been supporting various Free Software projects, most notably KDE e.V. as a member of its board of directors and Wikimedia as the product manager for Wikidata.

  • Aleix Pol i Gonzàlez

    Aleix Pol i Gonzàlez

    Aleix Pol i Gonzàlez has been collaborating with KDE since 2007. He started working in software development in the KDE Education area and KDevelop. Aleix joined the KDE e.V. board of directors in 2014. In his day-job, he is employed by Blue Systems where he has worked with other parts of the community including Plasma and Qt.

  • Nikos Roussos

    Nikos Roussos

    Nikos is a Software Engineer currently working mostly on projects that focusing on decentralization and privacy, but also on climate justice and sustainability. He is the FSFE coordinator for Greece.

  • Alessandro Rubini

    Alessandro Rubini

    Alessandro is a GNU user since 1991 and Linux user since 1994. He used to develop device drivers and turned to develop devices instead, with kicad and gcc. He teaches "hardware and software codesign" in Pavia, Italy.

  • Kirill Schmidt

    Kirill Schmidt

    Kirill Schmidt is 17 years old and project manager of the 'schul-frei'-project, which promotes digitisation in schools through free software and participation by children and young people. In addition to his role as contact person and leader of the project he also helps in the development and presentation of the schul-frei- and website or takes on other various tasks in the project.

  • Harald Welte

    Harald Welte

    Harald Welte is the founder of the Free Software project Osmocom and was formerly involved in netfilter/iptables, the Openmoko project, and did GNU GPL compliance work with

  • Marvin W

    Marvin W

    Marvin has been contributing to free software for more than 10 years, with a focus on Android and federated encrypted messaging. He's the developer of microG and a member of the XMPP Standards Foundation.

  • Stefano Zacchiroli

    Stefano Zacchiroli

    Stefano Zacchiroli is Associate Professor of Computer Science at Université de Paris on leave at Inria, co-founder and current CTO of the Software Heritage project, and official member of the Debian Project since 2001, where he was elected to serve as Debian Project Leader for 3 terms in a row over the period 2010-2013. He is a former Board Director of the Open Source Initiative (OSI), and recipient of the 2015 O'Reilly Open Source Award.

  • Stefano Zacchiroli

    Alexios Zavras

    Alexios Zavras (zvr) is the Senior Open Source Compliance Engineer of Intel Corp. He has been involved with Free Software since 1983, and is an evangelist for all things Open. He is an active participant in a number of industry-wide efforts around compliance issues. He has a PhD in Computer Science after having studied Electrical Engineering and Computer Science in Greece and the United States.