🇨🇿 Czechia Open Source Contributors

Discover the top open source developers from the Czechia who are revolutionizing the IT world with their exceptional talent and ground-breaking projects.

Developers

6,290

Organizations

839

Repositories

41,533

Top Rank

Shell, C, Lua

🇨🇿 Made in Czechia Compare with other countries 🌐 All countries

Top Contributors

901
Gaël Écorchard (@galou)

galou

Python, C++, Shell
110
star
902
Martin 'JaMa' Jansa (@shr-project)

shr-project

C, Python, Shell
110
star
903
Ricardo Lüders (@rluders)

rluders

PHP, JavaScript, TypeScript
109
star
904
Orkhan Huseynli (@OrkhanHuseynli)

OrkhanHuseynli

Go, Java
109
star
905
@OndraFiedler

OndraFiedler

Scala
109
star
906
Robert Rossmann (@robertrossmann)

robertrossmann

PHP, Go, TypeScript
109
star
907
Jiří Hofman (@jirihofman)

jirihofman

JavaScript
109
star
908
Jan Dolinay (@jdolinay)

jdolinay

C, C++
108
star
909
Genci Deljana (@gdeliana)

gdeliana

108
star
910
Matěj Cepl (@mcepl)

mcepl

C, Shell, Python
108
star
911
@PRL-PRG

PRL-PRG

C++, R, Rust
108
star
912
Marek Galovic (@marekgalovic)

marekgalovic

Go, Jupyter Notebook, Python
108
star
913
Pavel Rosický (@ahorek)

ahorek

JavaScript
108
star
914
Jany Koščo (@s7anley)

s7anley

Shell, Python, HCL
108
star
915
Jan Doležel (@dolezel)

dolezel

TypeScript
108
star
916
Etnetera Flow (@EtneteraMobile)

EtneteraMobile

Swift
108
star
917
Modular Electronic Laboratory (@MLAB-project)

MLAB-project

Python, C, G-code
108
star
918
Ludek Novy (@ludeknovy)

ludeknovy

Python, TypeScript, CSS
107
star
919
Premysl Donat (@Masa331)

Masa331

Ruby, Shell, HTML
107
star
920
Jan Toman (@honzatmn)

honzatmn

TypeScript
107
star
921
ALVILA SYSTEMS s.r.o. (@alvila)

alvila

Ruby
107
star
922
Petr Bugyík (@o5)

o5

PHP, JavaScript
107
star
923
Michael Tesař (@michtesar)

michtesar

Python, MATLAB, Java
107
star
924
Lukas Frey (@lukas-frey)

lukas-frey

PHP
107
star
925
Marek Posolda (@mposolda)

mposolda

Java, Shell, JavaScript
106
star
926
Unipi technology (@UniPiTechnology)

UniPiTechnology

C, Python, HTML
106
star
927
Naja (@naja-js)

naja-js

JavaScript, PHP
106
star
928
Gisquick (@gisquick)

gisquick

Python, Vue
106
star
929
Tomáš Zeman (@zemasoft)

zemasoft

C++, CMake
106
star
930
Dmitry Misharov (@quarckster)

quarckster

Python, Shell, Go
105
star
931
Lukáš Unger (@lookyman)

lookyman

PHP
105
star
932
Marek Štípek (@maryo)

maryo

PHP
105
star
933
Karel Klíma (@karelklima)

karelklima

TypeScript, PHP, CSS
105
star
934
Jakub Mrozek (@JakubMrozek)

JakubMrozek

JavaScript, CoffeeScript
105
star
935
@RomanSmolka

RomanSmolka

Python, AppleScript
104
star
936
Jan Kuchař (@jkuchar)

jkuchar

PHP, Java, JavaScript
104
star
937
@jirkapenzes

jirkapenzes

C#, Clojure, Shell
104
star
938
Oskar Hollmann (@asgeirrr)

asgeirrr

Python
104
star
939
M. (@Martinfx)

Martinfx

C, C++, COBOL
104
star
940
Denis Stepanov (@dstepanov)

dstepanov

Java
104
star
941
Michal Marhan (@MarhyCZ)

MarhyCZ

JavaScript, Shell, Go
103
star
942
Jiri Novotny (@gorgitko)

gorgitko

Python, HTML, Jupyter Notebook
103
star
943
Michal Haták (@Twista)

Twista

Python, PHP, Makefile
103
star
944
radovan. (@just-radovan)

just-radovan

Java
103
star
945
Michal Lukac (@Cospel)

Cospel

Python, C
103
star
946
Matěj Chalk (@matejchalk)

matejchalk

TypeScript, C#
103
star
947
MIR@MU (@MIR-MU)

MIR-MU

Jupyter Notebook, Python, Java
103
star
948
Alice (@LilyStilson)

LilyStilson

Pascal, JavaScript, C#
102
star
949
Mautilus (@mautilus)

mautilus

JavaScript, Brightscript
102
star
950
Pavel Kolář (@kolpav)

kolpav

TypeScript
101
star
951
Karel Mácha (@karlitos)

karlitos

Java, TypeScript, Python
101
star
952
@9551-Dev

9551-Dev

Lua, CSS, Java
101
star
953
Michal Hornický (@semtexzv)

semtexzv

Rust, Dockerfile, C#
100
star
954
Přemek Vyhnal (@premek)

premek

Lua, Java, Python
100
star
955
Hubert Kario (@tomato42)

tomato42

C, HTML, Crystal
100
star
956
Marek Trunkát (@mtrunkat)

mtrunkat

JavaScript, TeX, HTML
99
star
957
Jaroslav Kuchař (@jaroslav-kuchar)

jaroslav-kuchar

Java, R, Shell
99
star
958
Dominik Bucher (@DominikBucher12)

DominikBucher12

Swift, HTML, Shell
99
star
959
Josef Cacek (@kwart)

kwart

Java, HTML, Dockerfile
99
star
960
@gimicze

gimicze

Lua
99
star
961
Arjan (@wooni005)

wooni005

Python, C++
99
star
962
Pavel Lučivňák (@lucivpav)

lucivpav

C++, Python, MATLAB
98
star
963
Denis Akopjan (@hailstorm75)

hailstorm75

C#, TeX
98
star
964
@P-i-N

P-i-N

C++, Rust, C
98
star
965
KEEN|MATE (@KeenMate)

KeenMate

C#, Elixir, Svelte
98
star
966
Webuni s.r.o. (@webuni)

webuni

PHP, Shell, JavaScript
98
star
967
Martin Havlišta (@xhafan)

xhafan

C#
98
star
968
Věroš Kaplan (@VerosK)

VerosK

Python, Shell, Puppet
98
star
969
Jan Caha (@JanCaha)

JanCaha

R, Python, C++
98
star
970
Libor Kramoliš (@shamoh)

shamoh

Java, Groovy, JavaScript
98
star
971
Unitpay (@unitpay)

unitpay

PHP, Python, CSS
97
star
972
Pavel Odvody (@shaded-enmity)

shaded-enmity

Python, Go, Shell
97
star
973
Richard Jedlička (@uiii)

uiii

C++, PHP, Shell
97
star
974
Vlad Zarytovskii (@vzarytovskii)

vzarytovskii

F#, Emacs Lisp, Shell
97
star
975
Dominik Titl (@morning4coffe-dev)

morning4coffe-dev

C#, HTML
97
star
976
Peter Jakubčo (@vbmacher)

vbmacher

C, C++, Scala
96
star
977
Petr Jašek (@petrjasek)

petrjasek

Python, PHP, HTML
96
star
978
@Morcatko

Morcatko

TypeScript, C#
96
star
979
Vladimir Rybalko (@VladimirRybalko)

VladimirRybalko

C#, TypeScript
96
star
980
Michal Janočko (@michaljanocko)

michaljanocko

Elm, TypeScript, Go
95
star
981
Filip Prochazka (@filipproch)

filipproch

HTML, Java, Arduino
95
star
982
Maxim Karpov (@makkarpov)

makkarpov

Scala, Java, TypeScript
95
star
983
Vojtěch Balák (@Remedan)

Remedan

Haskell, Nix, Python
95
star
984
Frederik Hudák (@FreHu)

FreHu

ABAP
95
star
985
David Timovski (@davidtimovski)

davidtimovski

C#, TypeScript, HTML
95
star
986
John Linhart (@escopecz)

escopecz

PHP, Shell
95
star
987
Adam Ernst Bisek (@adambisek)

adambisek

PHP, JavaScript
95
star
988
fnx.io (@fnx-io)

fnx-io

Dart, HTML, JavaScript
94
star
989
Michal Štefaňák (@stefanak-michal)

stefanak-michal

PHP, TypeScript, C#
94
star
990
Jan Votava (@janvotava)

janvotava

JavaScript, Rust, Svelte
94
star
991
Vašek Purchart (@VasekPurchart)

VasekPurchart

PHP, Java
94
star
992
Jakub Vysoký (@kvbik)

kvbik

Python, HTML, Processing
94
star
993
Vojtech Kral (@vojtechkral)

vojtechkral

Rust, JavaScript, C++
94
star
994
DK (@Dimentium)

Dimentium

Ruby
93
star
995
Jan Hrcek (@jhrcek)

jhrcek

Elm, Haskell, Java
93
star
996
@HelloOO7

HelloOO7

Java, C, C++
93
star
997
Kamil Dudka (@kdudka)

kdudka

C++, C, Python
93
star
998
Daniel Bulant (@danbulant)

danbulant

JavaScript, Rust, Svelte
93
star
999
leafclick s. r. o. (@leafclick)

leafclick

Clojure, Java, JavaScript
93
star
1000
Tomas Hermanek (@hermanekt)

hermanekt

Shell, PowerShell, Python
92
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

* More analytics for signed in users.