🇨🇿 Czechia Open Source Developers

The community of talented open source developers driving innovation and collaboration in the tech industry.

Developers

6,290

Organizations

839

Repositories

41,533

Top Rank

Shell, C, Lua

🇨🇿 Made in Czechia Compare with other countries 🌐 All countries
1901
Ondrej Prochazka (@OndrejP)

OndrejP

Perl
25
star
1902
ad hoc (@MarinPostma)

MarinPostma

Rust, Lua
25
star
1903
cybo (@cybooo)

cybooo

Java
24
star
1904
morsee (@ur-fault)

ur-fault

Python, Rust, Tcl
24
star
1905
Jan Seifert (@seifert)

seifert

Python, C
24
star
1906
@baktragh

baktragh

Java, C++, Assembly
24
star
1907
Matěj Zábský (@mzabsky)

mzabsky

C#, C, PHP
24
star
1908
Pavel M. (@morpav)

morpav

C++, Python
24
star
1909
Petr Severa (@segeda)

segeda

JavaScript, Arduino, Clojure
24
star
1910
Filip Havlíček (@reagcz)

reagcz

C#
24
star
1911
Jan Šváger (@svagi)

svagi

JavaScript, TeX
24
star
1912
Petr Volny (@petrvolny)

petrvolny

JavaScript, Java, Vim Script
24
star
1913
@mirus77

mirus77

Pascal, Batchfile
24
star
1914
Martin Milata (@mmilata)

mmilata

Python, Ruby, C
24
star
1915
Daniel Slavík (@wortelus)

wortelus

C#, Python, C
24
star
1916
Martin Fabík (@LoogleCZ)

LoogleCZ

Lua
24
star
1917
Juda Kaleta (@yetty)

yetty

Python, JavaScript, TeX
24
star
1918
Ladislav Vondráček (@Lawondyss)

Lawondyss

PHP
24
star
1919
Jan Helebrant (@juhele)

juhele

QML
24
star
1920
Ondrej Sienczak (@ondiiik)

ondiiik

Python, C
24
star
1921
@Spirtix

Spirtix

C#, Makefile, C++
24
star
1922
Martin Pilch (@martinpilch)

martinpilch

Objective-C, Swift, Shell
24
star
1923
Jakub Bláha (@JakubBlaha)

JakubBlaha

Python
24
star
1924
David Čepelík (@dcepelik)

dcepelik

C, Python, Haskell
24
star
1925
Martin Zaloudek (@ma-zal)

ma-zal

JavaScript
24
star
1926
Simon Podhajsky (@shippy)

shippy

Python, Ruby, C#
24
star
1927
Josef K (@graineeg)

graineeg

Java, C, Shell
24
star
1928
Michal Holič (@Holdo)

Holdo

Java, C++, HTML
24
star
1929
Karel Kočí (@Cynerd)

Cynerd

Python, Nix, Vim Script
24
star
1930
Jan Sedlák (@garretraziel)

garretraziel

C, C++, Python
24
star
1931
Mirek Marek (@mirekmarek)

mirekmarek

PHP
24
star
1932
Jan Andrle (@jaandrle)

jaandrle

JavaScript, Vim Script, Shell
24
star
1933
Andrey Ognevsky (@aognevsky)

aognevsky

Ruby
24
star
1934
ArmanIII (@JakubMarecek)

JakubMarecek

C#
24
star
1935
Jakub Žitný (@jakubzitny)

jakubzitny

JavaScript, Python, Jupyter Notebook
24
star
1936
Pavel Petržela (@ppet36)

ppet36

Eagle, C++
24
star
1937
Michal Hrušecký (@miska)

miska

Shell, JavaScript, PHP
24
star
1938
Ondrej Medek (@xmedeko)

xmedeko

C#, Java
24
star
1939
Tomas Rubin (@tomasrubin)

tomasrubin

MATLAB, Jupyter Notebook, R
24
star
1940
Hegy (@hegyok)

hegyok

JavaScript, Go
24
star
1941
Michal 'Kimi' Mitter (@mittermichal)

mittermichal

Python, JavaScript, Visual Basic
24
star
1942
Radek Svoboda (@rasvob)

rasvob

Jupyter Notebook, C#, HTML
23
star
1943
Dmytro Rashko (@dimetron)

dimetron

JavaScript, Shell, Dockerfile
23
star
1944
Slava Nagornyak (@vyachesIavskiy)

vyachesIavskiy

Swift
23
star
1945
Tomas Kouba (@tkouba)

tkouba

C#, C++
23
star
1946
Jan Šustr (@j-sustr)

j-sustr

JavaScript, TypeScript, MATLAB
23
star
1947
Jan Pohanka (@xhpohanka)

xhpohanka

C
23
star
1948
Lukáš Novotný (@Kryso)

Kryso

Lua
23
star
1949
Petr Procházka (@PetrP)

PetrP

PHP
23
star
1950
Milan Kyncl (@milankyncl)

milankyncl

PHP, Go, JavaScript
23
star
1951
Zdenek Sejcek (@zdeneksejcek)

zdeneksejcek

C#, Elixir, Rust
23
star
1952
Michal Bukovský (@burlog)

burlog

C++, QML, Python
23
star
1953
Ivan Šachov (@van800)

van800

C#, C++
23
star
1954
Jan Bouchner (@bouchja1)

bouchja1

JavaScript
23
star
1955
@V-Z

V-Z

TeX, Shell, Python
23
star
1956
Jan Šmucr (@jsmucr)

jsmucr

Java
23
star
1957
Juraj Noge (@njuro)

njuro

Java, TypeScript, Kotlin
23
star
1958
Ilias Abdykarov (@Abdykarov)

Abdykarov

JavaScript, HTML, Java
23
star
1959
Juraj Fiala (@jurf)

jurf

JavaScript, Python, C#
23
star
1960
Stepan Filatov (@sfilatov)

sfilatov

Java, Ruby
23
star
1961
Daniil  (@reflash)

reflash

Python, TypeScript, Jupyter Notebook
23
star
1962
Tom Coufal (@tumido)

tumido

TypeScript, Jupyter Notebook
23
star
1963
David Domkář (@daviddomkar)

daviddomkar

Dart, TypeScript, Go
23
star
1964
Dom (@Dom3062)

Dom3062

Lua
23
star
1965
Evgenii Utkin (@thewulf7)

thewulf7

PHP, Kotlin, SCSS
23
star
1966
Anton Simakov (@ttohin)

ttohin

C++, C#
23
star
1967
Jan Voráček (@JanVoracek)

JanVoracek

TypeScript
23
star
1968
Stanislav Antonov (@stanislav-antonov)

stanislav-antonov

Java, C
23
star
1969
Oto Šťáva (@Spiffyk)

Spiffyk

Java, Shell, JavaScript
23
star
1970
JaLe (@JaLe29)

JaLe29

JavaScript, C++
23
star
1971
Tomas Panik (@gantrior)

gantrior

Jupyter Notebook, JavaScript, Dockerfile
23
star
1972
Lukas Pokorny (@luk4s)

luk4s

Ruby
23
star
1973
JP Bochi (@jpbochi)

jpbochi

JavaScript, Shell, Makefile
23
star
1974
@GravelCZ

GravelCZ

Java
23
star
1975
Tomáš Mančal (@tmancal74)

tmancal74

Python, Shell
23
star
1976
Zdenek Travnicek (@v154c1)

v154c1

Python, C++
23
star
1977
Peter Bosák (@Mufanza)

Mufanza

JavaScript
23
star
1978
Martin Radimec (@peaceant)

peaceant

Lua
23
star
1979
Peter Toth (@petertoth)

petertoth

Ruby
23
star
1980
Nadiia Ridko (@dandelionadia)

dandelionadia

JavaScript, HTML, TypeScript
23
star
1981
Jan (@zaantar)

zaantar

PHP, Shell
23
star
1982
Kátia Nakamura (@katiayn)

katiayn

Python, JavaScript, HTML
23
star
1983
Jan Machacek (@Senshyi)

Senshyi

JavaScript, Rust, C++
22
star
1984
René Kliment (@renekliment)

renekliment

Python, TeX, Kotlin
22
star
1985
Viliam Kopecký (@ViliamKopecky)

ViliamKopecky

JavaScript, TypeScript, CSS
22
star
1986
Tomas Mistoler (@tommistolercz)

tommistolercz

Python
22
star
1987
Lubomír Bulej (@lbulej)

lbulej

Python, Shell
22
star
1988
Filip Dobrovolný (@fdobrovolny)

fdobrovolny

Python, PHP
22
star
1989
@ArcaneDisgea

ArcaneDisgea

22
star
1990
Alex (@DigitalAXPP)

DigitalAXPP

PowerShell, F#
22
star
1991
Michal Brašna (@Gobie)

Gobie

JavaScript, PHP, CoffeeScript
22
star
1992
Vladimir Kloz (@voloda)

voloda

C#, C++, PowerShell
22
star
1993
pokornyIt.cz (@pokornyIt)

pokornyIt

Go
22
star
1994
David (@profi248)

profi248

C++, TeX, Python
22
star
1995
Josef Reidinger (@jreidinger)

jreidinger

Ruby, C++
22
star
1996
Tomas Nesrovnal (@nesro)

nesro

Shell, C, C++
22
star
1997
Ondřej Vacek (@GKPr0)

GKPr0

Python, Jupyter Notebook
22
star
1998
Filip Gregor (@Gregofi)

Gregofi

Rust, C++, TypeScript
22
star
1999
Slobodan Pavkov (@spavkov)

spavkov

C#, JavaScript
22
star
2000
Marián Kyral (@mkyral)

mkyral

Java, HTML, Python
22
star

Statistics

By location

Prague 64.4%
Brno 21.0%
Ostrava 2.2%
Pilsen 1.5%
Liberec 1.0%
Other 10.0%

By programing language

JavaScript
15.8%
Python
14.9%
C++
8.3%
Java
8.1%
PHP
8.0%
Other
44.8%

World rating by programing language (country/rank)

Shell
21
C
24
Lua
24
C++
26
Rust
26

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