🇨🇿 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

1101
Vlada Macek (@tuttle)

tuttle

Python
80
star
1102
Pirate Party Czech Republic (@pirati-cz)

pirati-cz

JavaScript, TeX, CSS
80
star
1103
PyLadies CZ (@PyLadiesCZ)

PyLadiesCZ

Python, HTML
80
star
1104
Peter Jung (@kongzii)

kongzii

Python, Swift, Lua
79
star
1105
Petr Katerinak (@inDeev)

inDeev

PHP, VBA, Visual Basic
79
star
1106
Jan Cumpelik (@buranelectrix)

buranelectrix

C, Arduino
79
star
1107
Adam Hořčica (@ah01)

ah01

JavaScript, Python, C#
79
star
1108
Martin Juzl (@martyan)

martyan

JavaScript, TypeScript
78
star
1109
Max Sveshnikov (@msveshnikov)

msveshnikov

JavaScript, Ruby, Java
78
star
1110
Ashley (@CallMeFoxie)

CallMeFoxie

Java, C, Shell
78
star
1111
@koo5

koo5

Python, C++, JavaScript
78
star
1112
Digital Deals s.r.o. (@dlds)

dlds

PHP, JavaScript
78
star
1113
Lukáš Křivka (@metalwarrior665)

metalwarrior665

JavaScript, Rust, TypeScript
78
star
1114
Slavik Svyrydiuk (@sv0)

sv0

Shell, JavaScript, Python
78
star
1115
Martin Michálek (@machal)

machal

JavaScript, HTML, CSS
78
star
1116
MvcCore PHP (@mvccore)

mvccore

PHP, JavaScript, HTML
78
star
1117
Jiří Kubíček (@kubicek)

kubicek

Ruby, Shell, Python
78
star
1118
Pavel Pokorný (@Pajk)

Pajk

Shell, Ruby, PHP
78
star
1119
Filip Pytloun (@fpytloun)

fpytloun

Python, CSS, JavaScript
78
star
1120
@VaclavRut

VaclavRut

JavaScript
77
star
1121
Jiří Tenora (@JiriSko)

JiriSko

Java, JavaScript
77
star
1122
Martin Stransky (@stransky)

stransky

C++, Shell, Python
77
star
1123
Marek Matejak (@MarekMatejak)

MarekMatejak

Modelica, Mathematica
77
star
1124
Yash Patel (@yash0307)

yash0307

Python, TeX, HTML
77
star
1125
Martin Simecek (@msimecek)

msimecek

C#, PowerShell, TypeScript
77
star
1126
ParaDiSe (@paradise-fi)

paradise-fi

C++
77
star
1127
Robert Milasan (@robertalks)

robertalks

C, Shell
77
star
1128
Dominika Lauko (@Krejdom)

Krejdom

TeX, Python
77
star
1129
Jiří Pudil (@jiripudil)

jiripudil

PHP, TypeScript, JavaScript
77
star
1130
Vojtech Spiwok (@spiwokv)

spiwokv

Python, R, HTML
77
star
1131
Daniel Kouba (@whipsterCZ)

whipsterCZ

PHP, JavaScript
76
star
1132
Tomas Pustelnik (@Pustelto)

Pustelto

JavaScript, Rust, Lua
76
star
1133
Martin Štekl (@stekycz)

stekycz

PHP, JavaScript, TeX
76
star
1134
Pedro Kehl (@pedrokehl)

pedrokehl

JavaScript, TypeScript, Java
76
star
1135
Marian Such (@toxygen)

toxygen

JavaScript, C++, C
76
star
1136
Josef Liška (@phokz)

phokz

Ruby, C, Shell
76
star
1137
Martin Adamko (@attitude)

attitude

PHP, JavaScript, Shell
76
star
1138
Asamm Software, s. r. o. (@asamm)

asamm

Java, Kotlin, Python
76
star
1139
Zdenko Hrček (@zdenulo)

zdenulo

Python, Jupyter Notebook, HTML
76
star
1140
Jan Smitka (@jsmitka)

jsmitka

PHP, Dockerfile
76
star
1141
Michal Ševčík (@MultiTricker)

MultiTricker

PHP, C
76
star
1142
Šimon Javora (@sjavora)

sjavora

Swift
76
star
1143
David Nilsson (@davnils)

davnils

Haskell, C++, TeX
75
star
1144
Jan Drda (@jdrda)

jdrda

PHP, JavaScript, CSS
75
star
1145
@vladantrhlik

vladantrhlik

Python, OpenSCAD, Processing
75
star
1146
@mikigoalie

mikigoalie

Lua, JavaScript, TypeScript
75
star
1147
Roman Neuhauser (@roman-neuhauser)

roman-neuhauser

Shell, Perl, C++
75
star
1148
Nikola Knežević (@knez)

knez

Assembly, Shell, Python
75
star
1149
@romi-lab

romi-lab

Python, MATLAB, C++
74
star
1150
Erdi Gökçe (@erdigokce)

erdigokce

Python, TypeScript
74
star
1151
Martin Povišer (@povik)

povik

Jupyter Notebook, C++, Python
74
star
1152
Rudolf Cicko (@Cicko)

Cicko

JavaScript, C++, TypeScript
74
star
1153
Maroš Beťko (@Haaxor1689)

Haaxor1689

TypeScript, Lua, C++
74
star
1154
 Marián Černý (@mariancerny)

mariancerny

Shell, Makefile
74
star
1155
Jiří Mayer (@Jirka-Mayer)

Jirka-Mayer

C#, Python, JavaScript
74
star
1156
Tomas Koutsky (@stepnivlk)

stepnivlk

Ruby, Elixir, JavaScript
74
star
1157
David (@ThatCopy)

ThatCopy

JavaScript, TypeScript
74
star
1158
Zdenko Nevrala (@zdenal)

zdenal

Ruby, Rust, Vim Script
74
star
1159
Ondra Simek (@angel333)

angel333

PHP, Shell, Python
74
star
1160
Vaclav Svejcar (@vaclavsvejcar)

vaclavsvejcar

Haskell, Scala, Java
74
star
1161
John Peca (@theboxer)

theboxer

PHP, JavaScript
74
star
1162
MacGyver - bastlíři SH (@bastlirna)

bastlirna

C++, JavaScript, Arduino
74
star
1163
Petr Valenta (@valenpe7)

valenpe7

C++, Jupyter Notebook, TeX
74
star
1164
Ondrej Pazourek (@Wanzaz)

Wanzaz

C, Python, Shell
74
star
1165
24U Software (@24u)

24u

PHP, Python, JavaScript
74
star
1166
Tomas Sykora, jr. (@syky27)

syky27

Swift, Ruby, C
74
star
1167
Peter Ducai (@peterducai)

peterducai

Shell, CSS, Go
73
star
1168
Alexey (@usharik)

usharik

Java, HTML, Python
73
star
1169
Guillaume Hillairet (@ghillairet)

ghillairet

Java, JavaScript, Elixir
73
star
1170
Ondřej Šlampa (@OndraFTW)

OndraFTW

Elixir, Haskell
73
star
1171
Andrey Ershov (@slmjy)

slmjy

Shell, JavaScript
73
star
1172
Jindřich Mynarz (@jindrichmynarz)

jindrichmynarz

Clojure, Python, XSLT
73
star
1173
GeoForAll (OSGeoREL) Lab at CTU in Prague (@ctu-geoforall-lab)

ctu-geoforall-lab

Python, HTML, C++
73
star
1174
myke (@MikulasZelinka)

MikulasZelinka

Python, HTML, GDScript
73
star
1175
Drahomír Hanák (@drahak)

drahak

PHP
72
star
1176
Roman Hujer (@romanhujer)

romanhujer

OpenSCAD, C++, Python
72
star
1177
eM Client (@emclient)

emclient

C#
72
star
1178
Tomáš Linhart (@tlinhart)

tlinhart

Python, JavaScript, Shell
72
star
1179
Hashem Sellat (@hashemsellat)

hashemsellat

C++, Jupyter Notebook
72
star
1180
Petr Voborník (@PetrVobornik)

PetrVobornik

C#
72
star
1181
Ondrej Svejdar (@svejdo1)

svejdo1

C#, C++
72
star
1182
Martin Forejt (@MFori)

MFori

Java, PHP, C++
72
star
1183
Jakub Mareda (@Darker)

Darker

JavaScript, C++, Java
72
star
1184
@OpenPonk

OpenPonk

Smalltalk, HTML
72
star
1185
Michal Nezerka (@mnezerka)

mnezerka

JavaScript, C++, HTML
72
star
1186
@jahudka

jahudka

PHP, TypeScript, JavaScript
71
star
1187
@jwerak

jwerak

Shell, HTML, Jinja
71
star
1188
@jgresula

jgresula

C++, C
71
star
1189
Nodestream (@nodestream)

nodestream

JavaScript
71
star
1190
Lukáš Jech (@klukule)

klukule

C#, JavaScript, HTML
71
star
1191
Lukas Zilka (@ticcky)

ticcky

Python, C, Java
71
star
1192
Jakub Trmota (@forrest79)

forrest79

PHP, JavaScript, C#
71
star
1193
COex (@COEXCZ)

COEXCZ

Python, Dockerfile, PHP
71
star
1194
Jindra Lacko (@jlacko)

jlacko

R, TeX, HTML
70
star
1195
Department of Informatics and Chemistry, UCT Prague (@lich-uct)

lich-uct

Jupyter Notebook, Python, Shell
70
star
1196
GRIFART (@grifart)

grifart

PHP, HTML
70
star
1197
@Gbertaz

Gbertaz

C++, C#
70
star
1198
Vít Labuda (@vitlabuda)

vitlabuda

Python, C
70
star
1199
Patrik Drhlik (@pdrhlik)

pdrhlik

R, HTML, TypeScript
70
star
1200
Petr Stefan (@SemaiCZE)

SemaiCZE

Dockerfile, Vim Script, C++
70
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
25
C++
26
Rust
26

* More analytics for signed in users.