🇨🇿 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

1801
Marek Mahut (@mmahut)

mmahut

Nix, Ruby, Python
36
star
1802
Michal Dobes (@mishpajz)

mishpajz

Python
36
star
1803
Lukas Ruzicka (@lukas-ruzicka)

lukas-ruzicka

Swift, SCSS, Java
36
star
1804
@xleepy

xleepy

JavaScript, TypeScript, HTML
36
star
1805
Matěj Volf (@mvolfik)

mvolfik

Svelte, HTML, TypeScript
36
star
1806
Jiří Sikora (@GeorgeSikora)

GeorgeSikora

JavaScript, PHP, C++
36
star
1807
Filip Komárek (@filip2cz)

filip2cz

Shell, HTML, C#
36
star
1808
Samuel Fabrizio (@sfabrizio)

sfabrizio

JavaScript, C++, Shell
36
star
1809
@yurisuki

yurisuki

Shell
36
star
1810
Jan Pokorný (@JanPokorny)

JanPokorny

Python, JavaScript
36
star
1811
Georgy Bolyuba (@georgy)

georgy

Clojure, Java, C++
36
star
1812
Marc St. Onge (@stongey)

stongey

Python
36
star
1813
Mark (@markudevelop)

markudevelop

JavaScript, TypeScript, C++
35
star
1814
Frantisek Vymazal (@frenya)

frenya

TypeScript, Objective-C, JavaScript
35
star
1815
Oleksiy Golovko (@zindel)

zindel

OCaml, Haskell, Elm
35
star
1816
Petr Chalupa (@pchalupa)

pchalupa

TypeScript, JavaScript, Java
35
star
1817
Ilya Doroshenko (@Agrael1)

Agrael1

C++, C#
35
star
1818
Adam Martinik (@14113)

14113

Ruby, HTML
35
star
1819
Pavel S (@PauliCZ44)

PauliCZ44

35
star
1820
Matej Hamas (@mhamas)

mhamas

Python, Dockerfile
35
star
1821
Adrian Huna (@adrianhuna)

adrianhuna

TypeScript
35
star
1822
Salvatore Mazzarino (@mazzy89)

mazzy89

HCL, Smarty, Python
35
star
1823
Aiteq Reloaded, s.r.o. (@aiteq)

aiteq

HTML, TypeScript
35
star
1824
Jan "Yenya" Kasprzak (@Yenya)

Yenya

C, Perl
35
star
1825
Virtual hackerspace (@hackerspace)

hackerspace

Python, C, Ruby
35
star
1826
Jakub Truneček (@trunda)

trunda

PHP, JavaScript, Vue
35
star
1827
netpromotion group s.r.o. (@netpromotion)

netpromotion

PHP
35
star
1828
@NCPlyn

NCPlyn

C++, C#, JavaScript
35
star
1829
Petr Kubát (@vatioz)

vatioz

JavaScript, C#
35
star
1830
Honza Skýpala (@honzaskypala)

honzaskypala

Python
35
star
1831
Michal Ursiny (@ursimon)

ursimon

Java
35
star
1832
Lukáš Vasek (@bilak)

bilak

Java, Shell, HTML
35
star
1833
Martin Bukatovič (@marbu)

marbu

Python, Vim Script, Haskell
35
star
1834
Václav Kužel (@vkuzel)

vkuzel

Java, Shell, CSS
35
star
1835
Jan Kubr (@jankubr)

jankubr

Ruby
35
star
1836
Adam Cerny (@adamblack)

adamblack

TypeScript
35
star
1837
Prabashwara Seneviratne (@bashlk)

bashlk

JavaScript
35
star
1838
Karel Zikmund (@karelz)

karelz

C#, C++, SCSS
35
star
1839
Petr Tesarik (@ptesarik)

ptesarik

C, C++, Assembly
35
star
1840
Pavol Noha (@nohaapav)

nohaapav

Shell, JavaScript, HTML
35
star
1841
Nathan Cutler (@smithfarm)

smithfarm

Shell, Perl, Python
35
star
1842
Luka Novak (@lukanovak93)

lukanovak93

Jupyter Notebook, Python
35
star
1843
Viacheslav Kroilov (@metopa)

metopa

C++, Java, Python
35
star
1844
Denis Ivanov (@denisivan0v)

denisivan0v

C#
35
star
1845
Martin Korbel (@BlackSmith)

BlackSmith

C++, Dockerfile, JavaScript
35
star
1846
Hasnain Roopawalla (@hasnainroopawalla)

hasnainroopawalla

Python, Jupyter Notebook, TypeScript
35
star
1847
Gali Alykoff (@Alykoff)

Alykoff

Python, JavaScript, Clojure
35
star
1848
Pavel Vodrážka (@pavelvodrazka)

pavelvodrazka

Dockerfile, Java
35
star
1849
BeXCool (@bexcool)

bexcool

C#, C, JavaScript
34
star
1850
Martin Bartusek (@kraag22)

kraag22

JavaScript, PHP
34
star
1851
Tomas Bures (@bures)

bures

Python, JavaScript
34
star
1852
Gauss Algorithmic (@gaussalgo)

gaussalgo

Python, Jupyter Notebook
34
star
1853
Jakub Monhart (@jakubmonhart)

jakubmonhart

Python
34
star
1854
@nexovec

nexovec

C++, Jupyter Notebook, Python
34
star
1855
Foxon (@Foxoncz)

Foxoncz

Java, Shell, PowerShell
34
star
1856
Martin Pokorný (@mosaicmap)

mosaicmap

Java, Assembly, Python
34
star
1857
@helb

helb

HTML, Shell, JavaScript
34
star
1858
Abit Gray (@AbitTheGray)

AbitTheGray

C#, C++, CMake
34
star
1859
Jan Synacek (@jsynacek)

jsynacek

Haskell, C, Emacs Lisp
34
star
1860
Henrich Lauko (@xlauko)

xlauko

C++, TeX, Go
34
star
1861
Richard Hozák (@richardhozak)

richardhozak

Rust, C++, Python
34
star
1862
@CrumblyLiquid

CrumblyLiquid

Python, Shell, Rust
34
star
1863
Petr Leo Compel (@petrleocompel)

petrleocompel

Python, Dockerfile, JavaScript
34
star
1864
Tamas Hamor (@h4mu)

h4mu

Java, C, C#
34
star
1865
Slavek Kabrda (@bkabrda)

bkabrda

Python
34
star
1866
@nihique

nihique

JavaScript, Ruby, HTML
34
star
1867
Matyáš Caras (@hernikplays)

hernikplays

Dart, JavaScript, TypeScript
34
star
1868
Petr Vlček (@petrvlcek)

petrvlcek

Shell, Python, Kotlin
34
star
1869
Lukáš Hromadník (@LukasHromadnik)

LukasHromadnik

Swift, C++
34
star
1870
Hynek Vychodil (@pichi)

pichi

Erlang, Perl, C
34
star
1871
Jáchym Hurtík (@JachyHm)

JachyHm

Lua, C#, Python
34
star
1872
CESNET MetaCenter (@MetaCenterCloudPuppet)

MetaCenterCloudPuppet

Puppet, Ruby, Pascal
34
star
1873
Martin Jurča (@jurca)

jurca

JavaScript, TypeScript, C#
34
star
1874
Mathematicator (@mathematicator-core)

mathematicator-core

PHP
34
star
1875
@matejcik

matejcik

Python, Java, JavaScript
34
star
1876
@nixcz

nixcz

Python, PHP
34
star
1877
Kuba Marek (@bluecube)

bluecube

Python, Lua, C
34
star
1878
Oto Dočkal (@otodockal)

otodockal

JavaScript, TypeScript
34
star
1879
Mailo Světel (@roolo)

roolo

Ruby, JavaScript, Vim Script
34
star
1880
Karel Klíč (@karelklic)

karelklic

C++, Python
34
star
1881
Matěj (@mgrabovsky)

mgrabovsky

Vim Script, CSS, Coq
34
star
1882
Jan Šafránek (@jsafrane)

jsafrane

Go, Shell, HTML
34
star
1883
Tomáš Vojtášek (@vojty)

vojty

Rust, Go, TypeScript
34
star
1884
David K. (@dkocich)

dkocich

JavaScript, TypeScript
33
star
1885
Jan Janovic (@janjanovicsk)

janjanovicsk

C
33
star
1886
Matěj Balga (@balgamat)

balgamat

TypeScript
33
star
1887
Vladimír Štill (@vlstill)

vlstill

TeX, C++, Haskell
33
star
1888
Tomas Petricek (@tpet)

tpet

C++, Python, Jupyter Notebook
33
star
1889
Jan Vakula (@zigul)

zigul

Python
33
star
1890
Tomáš Deml (@tomasdeml)

tomasdeml

TypeScript, C#
33
star
1891
Marek Blaha (@m-blaha)

m-blaha

Python, Vim Script, C++
33
star
1892
Chris Bassey (@xrisbarney)

xrisbarney

Shell, Python
33
star
1893
Filip Zachar (@tulak)

tulak

Ruby, JavaScript
33
star
1894
Žižkov.rb (@zizkovrb)

zizkovrb

Ruby, JavaScript
33
star
1895
Martin Stastny (@martinstastny)

martinstastny

Python
33
star
1896
Karla Fejfarová (@karlafej)

karlafej

Jupyter Notebook, Python, C
33
star
1897
Jiří Spilka (@jirispilka)

jirispilka

Python, MATLAB, TeX
33
star
1898
Jan Trejbal (@trejjam)

trejjam

PHP, Shell, Java
33
star
1899
Jaroslav Langer (@langer-jaroslav)

langer-jaroslav

Java, C#
33
star
1900
Vojta Tomas (@vojtatom)

vojtatom

TypeScript, JavaScript, TeX
33
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.