Slovakia
Top 100 Open Source Contributors in Slovakia
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Slovakia
Trenčín, SlovakiaBreakdown

Richard Fonfára
Onto-Epistemic Field Framework © 2026 Vectaetos — Developed by Richard Fonfára All projections are descriptive and non-prescriptive. Licensing layering.
SlovakiaBreakdown

Adam Chmara
"You can't have runtime errors, if your code doesn't compile"
Slovakia, BratislavaBreakdown

Randy Bias
If you know, you know...
SlovakiaBreakdown

Jozef Izso
Software Developer @slidoapp by @cisco
Bratislava, SlovakiaBreakdown

Ivan Dlugos
Building agents and harnesses at @getsentry
Bratislava, SlovakiaBreakdown
SlovakiaBreakdown
SlovakiaBreakdown

Tomas Kislan
Software Engineer at @deepnote
SlovakiaBreakdown

Lukas Vinclav
Django / Next.js
SlovakiaBreakdown

Samuel Šteiner
💻 Full-Stack Engineer • Platform Engineer • AI Integration • DevSecOps · PHP • TypeScript • Open to Work
SlovakiaBreakdown

Lukas Mega
Fullstack developer but strongly front-end focused.
SlovakiaBreakdown

Michal Kvasničák
Software Engineer
Trnava, SlovakiaBreakdown

Filip Seman
Helping UNIX take over the world
Slovakia - BratislavaBreakdown

Jano Suchal
Programmer.
Bratislava/SlovakiaBreakdown
SlovakiaBreakdown
Trnava, SlovakiaBreakdown
SlovakiaBreakdown

Jozef Steinhübl
I'm Jozef Steinhübl, a 18-year-old computer enthusiast and student
SlovakiaBreakdown

Juraj Kollár
@redroselinux creator & dev - flight simmer - C, C++, D, Nim, Python - I hate systemd with a passion
SlovakiaBreakdown

Ivana Huckova
🧡 software engineer at @grafana 👩🔧 building fun @arduino monitoring solutions [she/her]
Bratislava, SlovakiaBreakdown
Trnava, SlovakiaBreakdown
SlovakiaBreakdown

Peter Leukanič
Linux and FreeBSD. For programming: Rust, C, Python, Perl5 and some JS/TS. For Shell: BASH and ZSH. My primary OS is Fedora Linux. No Win user since 2016.
Košice, SlovakiaBreakdown

Diego Pino
FOSS developer @Igalia, working on WebKit for Linux and CEF (Chromium Embedded Framework).
Košice, SlovakiaBreakdown

Michal Takac
Co-Founder @DimensionLab, @QuestSpace, RandomFour LLC. PhD in Cybernetics. Prev. @decentraland. Skateboarder.
Košice, SlovakiaBreakdown

Samuel
A bug is never just a mistake. It represents something bigger. An error of thinking. That makes you who you are.
SlovakiaBreakdown

Peter Javorsky
.NET, embedded, C/C++, Python, Linux, IoT, SBCs, Security, licensed Amateur Radio operator.
Banska Bystrica, SlovakiaBreakdown
SlovakiaBreakdown

Tomas Slusny
───▄▄─▄████▄▐▄▄▄▌ ──▐──████▀███▄█▄▌ ▐─▌──█▀▌──▐▀▌▀█▀ ─▀───▌─▌──▐─▌ ─────█─█──▐▌█
SlovakiaBreakdown
Brezno, SlovakiaBreakdown
Žilina, SlovakiaBreakdown
Bratislava, SlovakiaBreakdown

Juraj Nyíri
Full Stack Developer & Team Lead
SlovakiaBreakdown
Bratislava, SlovakiaBreakdown
SlovakiaBreakdown
Senec, SlovakiaBreakdown

Peter Výboch
Senior Software Engineer at @Sentinel-One
SlovakiaBreakdown

Dominik Madarász
📐 Pushing the boundaries of simplicity
Slovakia, ZvolenBreakdown

Michal Juhas
AI implementation advisor. Consulting on AI in hiring, GTM, and business operations.
Bratislava, SlovakiaBreakdown

Vojtech Rinik
Building projects of my own
Kosice, SlovakiaBreakdown
SlovakiaBreakdown
Bratislava, SlovakiaBreakdown
SlovakiaBreakdown

Lukáš Poláček
ex-competitive-programmer, ex-Spotify, ex-Google
Pezinok, SlovakiaBreakdown

Tomáš Hromník
Web is my passion since 2008. I do web pages/apps professionally since 2012.
SlovakiaBreakdown

Matej Bendík
Full-Stack Web Developer • Bachelor's Degree in CS
SlovakiaBreakdown

Jan Garaj
🇺🇦 DevOps / Docker / Cloud / Monitoring Artist at @monitoringartist - specialist for Docker, cloud, monitoring, AWS, GCP, Grafana, Elasticsearch, Zabbix, ...
United Kingdom/SlovakiaBreakdown

Igor Mihalik
Software Engineer
Bratislava, SlovakiaBreakdown
Bratislava, SlovakiaBreakdown

Juraj Borza
Likes development
SlovakiaBreakdown

Erik Slovák
29 y/o, creating React Native apps, occasionally trying to make some useful stuff when I'm bored... work acc: @erik-slovak
Bratislava, SlovakiaBreakdown

Tomas Valent
Web-developer specializing in Ruby lang related technologies
SlovakiaBreakdown

Aleksandr Murzin
Explore Cybersecurity Insights.
Bratislava, SlovakiaBreakdown

Pavol Pidanič
I can count to 1023 using 10 fingers
SlovakiaBreakdown

Daniel Derevjanik
Building secure, scalable software and AI-powered products
SlovakiaBreakdown

Robert Starsi
Full stack developer specializing in Ruby on Rails and infrastructure.
SlovakiaBreakdown
SlovakiaBreakdown

Csaba Kissi
Full-Stack Solopreneur
SlovakiaBreakdown

Marek Kraus
(Also known as gamiee or gamir) Software Programmer and Hardware Designer. Cat lover.
SlovakiaBreakdown
SlovakiaBreakdown
Bratislava SlovakiaBreakdown
Košice, SlovakiaBreakdown
Slovakia/BratislavaBreakdown
Banska Bystrica, SlovakiaBreakdown

R.K.
Even a pebble has some computing power, but the interface sucks.
SlovakiaBreakdown
SlovakiaBreakdown
SlovakiaBreakdown

Mikulas Florek
I'm the best
Slovakia, BratislavaBreakdown

Tomáš Jašek
Rust, cybersecurity, architecture, cloud, Linux, 12factor apps, @claude. I wear many hats.
Bratislava, SlovakiaBreakdown

FiMo_IT
I like full-stack Software Development focusing on Web Sites or Desktop Applications. I'm font of Data Analysis, Machine Learning and AI.
Slovakia, BratislavaBreakdown

Alex Mizerak
Lead Developer @WaterdogPE, Platform Developer @CubeCraft, Swimmer
SlovakiaBreakdown

Oliver Juhas
Providing accessibility ready, easy to use WordPress themes.
Slovakia, EUBreakdown

Silver Zachara
EOL ~ EOF < TSR
SlovakiaBreakdown

AndraxDev
Software Engineer @ Deutsche Telekom
SlovakiaBreakdown

Andrej Mihaliak
A Full Stack Senior Software Engineer, DevSecOps Specialist and Laravel enthusiast.
Slovakia, TrnavaBreakdown
Poprad, SlovakiaBreakdown

Jan Margeta
Founder @kardiome
Trencianska Tepla, SlovakiaBreakdown
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SlovakiaBreakdown
SlovakiaBreakdown

ingbrzy
Xiaomi.eu Admin and MIUI Multilang project leader MIUIos.cz Admin
Slovakia, EUBreakdown

Filip Papranec
Founder of Digitaliko. Custom software and AI agents, built with Claude Code.
SlovakiaBreakdown
Bratislava, SlovakiaBreakdown
SlovakiaBreakdown
Poprad, SlovakiaBreakdown

Martin Kubovčík
RL 🤖 Robotics • Transformers • Game AI • Python/C++/Julia • Arduino/RPi 🖤 Open Source
SlovakiaBreakdown

Juraj Bubniak
Software developer from Slovakia. Go, Python, Open source, Music & Nature lover.
SlovakiaBreakdown

Fero Volar
🇸🇰 blogger & vlogger ☁️ cloud evangelist #containers #devops 📣 public speaking 🛫 traveler ⭐️ founder
SlovakiaBreakdown
SlovakiaBreakdown

Tomas Marcincin
Creating Wear OS Watch Faces and Apps.
Bratislava, SlovakiaBreakdown

Ján Bočínec
Inglourious basterd
SlovakiaBreakdown

Robert Važan
I am mostly known for SourceAFIS fingerprint recognition engine, but I have also written NoException and contributed to Wikidata Toolkit.
Bratislava, SlovakiaBreakdown

its
webdev underground
SlovakiaBreakdown
SlovakiaBreakdown
SlovakiaBreakdown

Robin Cussol
Staff Engineer, Frontend Platform @kiwicom
Trenčín, SlovakiaBreakdown

vlad saling
FrontEnd engineer @ChessCom | Co-founder @LabZoneSK
Bratislava, SlovakiaBreakdown

Tomas Pytel
Python Engineer & DevOps. PyConSK Organizer, PSF Member. Maker of GeoSearch.dev and HostBeat.info
Slovakia/Bratislava




































