Likes to hack Linux, barebox, in-betweens and beyond.

R&D in technical sciences, specializing in AI / machine learning / data mining using Open Source tools. Too many projects to mention. Have switched to Linux in 1997 and never looked back.

Alexander ist Policy Consultant der FSFE.

Alexander Schwartz is a Principal Software Engineer at Red Hat working full time as a Keycloak maintainer and technical team lead. At work and in his spare time he codes for Open Source projects. In previous jobs he worked as a software architect and IT consultant. At conferences and user groups he ...

Alexander Wirt arbeitet als Projekt- und Teamleiter bei der credativ GmbH in Mönchengladbach wo er an der Umsetzung von Kundenprojekten mit OpenSource beteiligt ist. Zusätzlich ist er Mitglied in mehreren OpenSource Projekten wie Debian oder GRML.

Aliaksandr is a co-founder and the principal architect of VictoriaMetrics. He is also a well-known author of the popular performance-oriented libraries: fasthttp, fastcache and quicktemplate. Prior to VictoriaMetrics, Aliaksandr held CTO and Architect roles with adtech companies serving high volumes...

Head of Communications @Mastodon

Benedict Reuschling beschäftigt sich seit Ende 2002 mit Linux und Open Source. Nach anfänglichen Gehversuchen mit diversen Linux-Distributionen verwendete er lange Zeit Debian, bevor er dann 2009 bei FreeBSD landete.

Infrastructure Engineer, currently for 3q.video

Master of Arts / Lehrerin für Pflegeberufe

Christian Amsüss has been an active member of different Free Software communities since 2005, and working independently in the areas of software development, network architecture and IoT consulting since 2011. Implementing the work of the CoRE group got him involved in the IETF, where he found like-...

Berater, Trainer und Podcaster

I'm in IT since nearly 25 years and I use Linux and OSS since the early beginning. In my professional daily work I deploy Enterprise software on all available operating systems. In my spare time I do security analysis, microservices and try to stay up to date with all parts of IT and Tech.

Software Engineering professor at Bingen Technical University of Applied Sciences and convinced supporter of free and open source software

Daniel Stenberg is a Swedish Internet protocol expert and developer who has participated in and worked with Open Source for 30 years. He is most known for being the founder and lead developer of the curl project, one of the world's most widely used software components. He also participates in protoc...

David Roetzel is a long-time web developer and open source enthusiast. He currently works as Core Web Developer for Mastodon gGmbH, the non-profit organization behind the Mastodon project.

Denys Kondratenko is an Engineering Manager for Cloud at Altinity, where he serves as an architect specializing in platform development. With previous roles at Percona, SUSE, and Seagate, Denys brings a wealth of experience in databases and distributed storage. His past engagements include leading i...

In 2020 Evangelos became involved with Mobian which started his journey of contributing both to the GNOME/Phosh mobile linux ecosystem in the form of upstream development as well to Debian via packaging.

Empowering People

Gründer der Freie-Software-Jugendorganisation Teckids und Co-Maintainer des freien Schul-Informations-Systems AlekSIS. Seit 2005 in der Schnittmenge aus Freier Software und Bildung unterwegs.

Industrie-Veteran mit mehr als 30 Jahren Erfahrung in den Bereichen Software-Entwicklung, Betriebssystemen mit Fokus auf FLOSS, Middleware und Embedded Systems. Und einer der Linux Inlaws.

Vorstand Qvest Digital AG

Frontend Developer at OpenTalk Mastodon: @dramaturco@c.im

Bei OpenStreetMap seit 2009 als beitragende Person dabei. Aktuell auch im Vorstand von OpenStreetMap Deutschland (FOSSGIS e.V.) aktiv.

Been working with open source software since 1999, use it exclusively (and professionally) since 2007. I run Education and Documentation at Cleura, an OpenStack based public cloud service provider in Sweden.

Frank Karlitschek is a long time open source contributor and former board member of the KDE e.V. He founded Nextcloud in 2016 to create a fully open source and decentralized alternative to big centralized cloud companies. Frank was an invited expert at the W3C to help to create the ActivityPub stand...

Zinneke and CRA wonk.

Guido Günther currently works as a Free Software developer on making the Linux Mobile Eco System an appealing and long term sustainable option for everyone.

TeX seit 1986, Linux seit 1992, S3-Treiber für XFree86 von 1993 bis 2001, ...

Lumiera core developer

Jakob Sponholz is a research associate at the Department of Special Education and Rehabilitation at the University of Cologne. His research interests include digital participation, inclusive media education, and the use of EdTech in special education contexts by students and teachers. He also invest...

Jan Grosser, Jahrgang 1978, arbeitet in der Raumfahrtagentur im Deutschen Zentrum für Luft- und Raumfahrt e.V. und beschäftigt sich speziell mit Produktsicherung, Safety und Space Sustainability. Er hat an der TU Braunschweig Physik studiert und dort auch 2008 promoviert. Seit fast 25 Jahren ist er ...

Janou Feikens has been supporting ZenDiS as Community Manager since April 2024. She previously worked as the coordinator of a nationwide university network for Open Educational Resources. With extensive experience in driving knowledge exchange and event organisation, she now supports collaboration w...

Jens Kühnel ist seit über 25 Jahren freiberuflicher Systemadministrator, Consultant, Buchautor und Trainer. Er hat schon auf sehr vielen Konferenzen Vortrage gehalten und bei der Froscon quasi zum Inventar.

Wer wir sind: meissa GmbH Aus: Reutlingen - http://meissa.de Dev: Python, Java, Kotlin, Clojure, Go Ops: K8s & OpenShift, Cloud, OpenTofu, CI/CD Service&Support: Forgejo Hier unser Blog: https://domaindrivenarchitecture.org

Johannes Näder works with the Free Software Foundation Europe. He coordinates the Public Money? Public Code! initiative and the FSFE's policy work in Germany.

Developer at Qvest Digital (former tarent)

Bildungsinformatiker, Berner Fachhochschule Vorstandsmitglied CH Open

Ehemann, Vater, Open Source Enthusiast, 1x Engineer, Sysadmin und Red Hat Technical Account Manager (TAM). TAM Ambassador und Open Sourcerer. Seit über 20 Jahren in der IT unterwegs.

Kathrin Klapper is a research associate at the University of Cologne and conducts research on communicative participation. Furthermore, she advocates for people with communication difficulties focusing on people using Augmentative and Alternative Communication (AAC) is politics and society.

Kristian Köhntopp has been online since 1989, and did multiple things since then.

Vorsitzender des Vereins für Freie Software und Bildung Ehemals Leitung des Projektes Skolelinux.de, heute DebianEdu. https://wiki.debian.org/de/DebianEdu

In her work as a IT-solution architect and coordinator for software solutions, Lena Christina Müller focuses on the sustainability and reusability of software modules at Siemens. Her mission is to advance the accessible design of web applications, both through consulting and her own implementation.

Leyrer - rants, Linux, command lines, old computer systems, IT fails, bad puns and lot's of sarcasm. If you ask a question at one of my talks, Manner might be in your future.

Luca Weiss works as Android & Linux Kernel Engineer at Fairphone working on extending the software lifespan of phones, enabling them to last longer. He is also maintaining and contributing to many open source projects such as postmarketOS, a Linux distribution for phones, and contributes various pat...

Marc Haber, born 1969, located in St. Ilgen, Germany, has a degree in Informatics and works as Freelance IT Consultant. He is an avid supporter of Free Software since the last century and is a Debian Developer.

Ich beschäftige mich inzwischen seit mehreren Jahren mit der IT der öffentlichen Verwaltung. Zunächst zivilgesellschaftlich bei Code for Germany und im CCC. Inzwischen auch beruflich in einer Behörde. Beim technischen Design von IT-Systemen blicke ich dabei vor allem auf Aspekte des technischen Date...

Marie is Co-Director of Prototype Fund together. She studied literature and cultural journalism and was previously involved in various projects at the intersection of journalism, data protection and FOSS, among others Nextcloud and CryptoParty.

Initiator of the openvocs project of the German Space Operations Center. Markus is a Systems Engineer with a passion for Voice Communication Systems. He is interested in topics how systems should work (design/architect) and how they actually work (test/verify). Prototyping is one of his favorite wa...

Matthias loves Java, Jakarta EE, testing and documentation. He is Maven committer and maintainer of the JUnit extension library "JUnit Pioneer".

Michael Kleinhenz ist Software-Architekt, Gründer und Geschäftsführer der Questor GmbH in Berlin. Dort ist er für Technologiestrategie und die Produktentwicklung verantwortlich ist. Er beschäftigt sich insbesondere mit Themen wie Enterprise Open Source Software, Middleware-Infrastrukturen, Prozessma...

Michael Kreil has specialised in the processing and analysis of very large amounts of data for more than two decades. As a data scientist and data journalist, he has worked for numerous German media.

Long time open source contributor, nowadays release engineer and developer at Turris project.

Mirko leitet den Sovereign Tech Fund bei der Sovereign Tech Agency, dort betreut er mit einem Team Open Source Projekte im öffentlichen Interesse und arbeitet konzeptionell an der Weiterentwicklung des Programs. Er hat einen Hintergrund im Software-Engineering, wo er seit 15 Jahren unterschiedliche ...

Neal H. Walfield an experienced programmer, and an aspiring manager. He cares a lot about human rights, and tries to be kind. In 2017, Neal co-founded the Sequoia PGP project with Justus Winter and Kai Michaelis. Prior to working on Sequoia PGP, he worked for Werner Koch at g10code on GnuPG. Befo...

Oliver Zendel beschäftigt sich seit über 20 Jahren für alles, was mit Freier Software und vergleichbaren Themen zu tun hat.

Patrick Steinert is a computer scientist with 20+ years of experience in the development of online platforms in a wide range of applications (such as telecommunications, media & entertainment, Internet of Things). His focus is on software platforms, cloud technologies, IoT and technology management....

Peter Farkas is the Co-Founder and CEO of FerretDB, bringing a wealth of experience in leading distributed teams and managing innovative Open Source projects. With a robust background in database and Big Data technologies, Peter has made significant contributions to the field during his tenures at p...

Co-founder and CEO of DAASI International a company specialized on Open Source Identity and Acccess Managenent

Peter has two projects to keep him busy: linmob.net (Weekly Collections of links to what happened in 'GNU-like Mobile Linux' and linuxphoneapps.org, a list of apps for mobile Linux distributions that lack a proper app store.

SDCC developer; ISO/IEC JTC1/SC22/WG14 member.

* Project Associate at the Institute for Digital Participation at Bremen University of Applied Sciences * Open Source Enthusiast * Accessibility Advocate

Wearing a hat at conferences :-) Big fan of hidden WordPress features like #multimultisite WordPress Deutschland, Inpsyde, CMS-Garden

Web application and BI developer, blogger http://rpbouman.blogspot.com, author on open source databases and open source business intelligence

Professor at the University of Applied Sciences Bonn-Rhein-Sieg, Computer Science Departement

Linux consultant by day, computer history hobbyist and retro nerd by night.

Ich beschäftige mit seit über zehn Jahren mit der GPL und deutschem Recht. Im Prozess Sebastian Steck gegen AVM war ich der Kläger. Ich habe den Freie-Software-Verbraucherverband FOSS Users e.V. mitgegründet.

FOSS developer in curl and Apache httpd

Interesse an Themen und Diskussionen zu Debian GNU/Linux, Anoxinon e.V., XMPP (Jabber).

Stefan Kruijer verfügt über mehr als 25 Jahre Erfahrung in der IT-Branche, von der Softwareentwicklung bis hin zur strategischen Beratung. Als freiberuflicher Softwareentwickler und IT-Berater hat er seit ca. 7 Jahren einen Tätigkeitsschwerpunkt auf nachhaltiger Digitalisierung und ressourcen-effizi...

I'm a professional Embedded Linux and Embedded Android engineer and general open source enthusiast. Also I write blog posts occasionally.

Stephan Schwichtenberg, Electric Monk und ewiger Optimist, beschäftigt sich seit mehr als 20 Jahren mit Integrations-Architekturen. Ein Schwerpunkt liegt auf der sicheren Integration speziell für IoT und Robotics. Die Entwicklung von Neuropil, einen Open-Source Security-Layer mit Security und Privay...

Susanne has been working in various roles and contexts in software development for more than 20 years. She has been working as a Product Owner and Agile Coach at Qvest Digital for 6 years. Her focus is on agile working with Scrum and Kanban as well as the integration of sustainability principles in ...

Thilo is an engineering manager for Microsoft and works on Linux OS distributions and Linux Security at Azure. Thilo's team helps maintaining Flatcar Container Linux.

Thorsten Kern, born in 1971, works in the field of plant engineering with a focus on cooling systems for the process industry, plastics and metal processing, the automotive sector, the chemical and food industries, as well as medical technology. Beyond his professional activities, Kern is deeply com...

work time: Specialist for IT Security Management • part time: WordPress Guy & Photographer • spare time: FoodNerd, Mountenbiker, Diver & Carnival Reveler

Software Developer/Technical Product Owner at Qvest

I'm an open source smarthome (home assistant) and voice technology enthusiast, contributed my voice for the community in the Thorsten-Voice project and share knowledge in the identically called Youtube channel.

Jurist, Online-Redakteur (u.a. Rechtslupe.de, WebJustiz.de)

Veit Schiele is the founder and managing director of cusy GmbH. He is also an experienced trainer who has authored tutorials on Python for data scientists.

IT mit Schwerpunkt Unix und Freier Software