🇨🇿 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

1601
Suitest (@SuitestAutomation)

SuitestAutomation

JavaScript, TypeScript
44
star
1602
Pavel Žák (@just-paja)

just-paja

JavaScript, Python, HTML
44
star
1603
DevConf CZ (@devconfcz)

devconfcz

Python, Java, HTML
44
star
1604
Reza Saberi Rad (@RezaSR)

RezaSR

PHP, Go, Shell
44
star
1605
@mmm444

mmm444

C, Go, Shell
44
star
1606
Jan Pražák (@Amarok24)

Amarok24

TypeScript, JavaScript, C
44
star
1607
Václav Haisman (@wilx)

wilx

TeX, C++, C
44
star
1608
Klub modelářů železnic Brno I (@kmzbrnoI)

kmzbrnoI

Pascal, C++, C
44
star
1609
Marian Kamenistak (@marian-kamenistak)

marian-kamenistak

Java, JavaScript
44
star
1610
Michal Gebauer (@mishak87)

mishak87

CoffeeScript, PHP, Puppet
44
star
1611
@northys

northys

PHP
44
star
1612
Nick Settler (@NickSettler)

NickSettler

TypeScript, C, Java
44
star
1613
Jan Šimek (@JanSimek)

JanSimek

C++, PHP, SCSS
43
star
1614
Michal Srb (@michalsrb)

michalsrb

C++, C, Rust
43
star
1615
Adam (@DMNerd)

DMNerd

CSS, C++, Shell
43
star
1616
Robert Campbell (@rcampbell)

rcampbell

Clojure, Java
43
star
1617
Ron Šmeral (@rsmeral)

rsmeral

TypeScript, Java, HTML
43
star
1618
Jozef Barunik (@barunik)

barunik

MATLAB, Jupyter Notebook, Julia
43
star
1619
Martin Hassman (@met)

met

HTML, Lua
43
star
1620
@Fritak

Fritak

PHP
43
star
1621
SatisMeter (@satismeter)

satismeter

JavaScript, Objective-C
43
star
1622
iPublikuj:packages! (@ipublikuj)

ipublikuj

PHP, JavaScript
43
star
1623
Andrew Albershtein (@alberand)

alberand

C++, Python, Nix
43
star
1624
Sphido (@sphido)

sphido

JavaScript
43
star
1625
Alex Alexeev (@alexedev)

alexedev

JavaScript, HTML, TypeScript
43
star
1626
Jiri Svitak (@jsvitak)

jsvitak

Java
43
star
1627
Iterait (@iterait)

iterait

Python, C++, Shell
43
star
1628
Viktor Malík (@viktormalik)

viktormalik

C++, Python, Shell
43
star
1629
Marko (@sahanmar)

sahanmar

Jupyter Notebook, Python
43
star
1630
Karel Frajtak (@kfrajtak)

kfrajtak

C#, Java
43
star
1631
Jan Holinka (@janholinka)

janholinka

JavaScript
43
star
1632
Martin Gencur (@mgencur)

mgencur

Java
43
star
1633
Marek Milkovič (@metthal)

metthal

C++, C, Shell
43
star
1634
Pablo M. (@pablomdata)

pablomdata

Jupyter Notebook, R, Python
43
star
1635
Adam Blažek (@xigoi)

xigoi

Nim, Lua, Vim script
43
star
1636
JonatanRek (@GamerClassN7)

GamerClassN7

C++, C#, PHP
42
star
1637
Michal Bureš (@MichalBures)

MichalBures

TypeScript
42
star
1638
Alexey Kuzmin (@alexeykuzmin)

alexeykuzmin

JavaScript
42
star
1639
Miroslav Holec (@mholec)

mholec

C#
42
star
1640
Cookielab s.r.o. (@cookielab)

cookielab

HCL, TypeScript, Go
42
star
1641
Matus Gura (@gurisko)

gurisko

Objective-C, TypeScript, JavaScript
42
star
1642
Falanxia (@falanxia)

falanxia

ActionScript
42
star
1643
Tom Kraina (@tomaskraina)

tomaskraina

Swift, Objective-C
42
star
1644
Stanislav Kontar (@skontar)

skontar

Python, JavaScript, CSS
42
star
1645
David Hrbáč (@davidhrbac)

davidhrbac

Python, PowerShell, PHP
42
star
1646
Michal Diviš (@michaldivis)

michaldivis

C#
42
star
1647
Source Caster (@sourcecaster)

sourcecaster

Dart
42
star
1648
Massive Interactive (@massiveinteractive)

massiveinteractive

JavaScript, Haxe, Shell
42
star
1649
Vitalii Tokarchyn (@tokarchyn)

tokarchyn

HTML, TypeScript
42
star
1650
Karel Gudera (@guderkar)

guderkar

JavaScript, Python
42
star
1651
Dominik Harmim (@harmim)

harmim

C, C++, Java
42
star
1652
Radim Klaška (@radimklaska)

radimklaska

PHP, Python, JavaScript
42
star
1653
Michal Sänger (@michalsanger)

michalsanger

PHP, JavaScript, TypeScript
42
star
1654
Mira Fontan (@Hexik)

Hexik

C++
42
star
1655
Aram Boyajyan (@aramboyajyan)

aramboyajyan

PHP, JavaScript
42
star
1656
Tomáš Opekar (@topik)

topik

PHP, JavaScript
42
star
1657
Honza Cibulka (@datastory)

datastory

Python, Jupyter Notebook
42
star
1658
Lili Pavelů (@SleepyLili)

SleepyLili

Python, Elixir
42
star
1659
Pavel Sušický (@susickypavel)

susickypavel

TypeScript, JavaScript, TeX
41
star
1660
Radek Brich (@rbrich)

rbrich

Python, C++, Rust
41
star
1661
Student Trainee Center (@StudentTraineeCenter)

StudentTraineeCenter

JavaScript, TypeScript, Python
41
star
1662
Vojtech Salbaba (@vsalbaba)

vsalbaba

Ruby, C++
41
star
1663
Dominik Hladík (@Celtian)

Celtian

TypeScript, JavaScript
41
star
1664
Kuba Paczyński (@ecrider)

ecrider

JavaScript, PHP
41
star
1665
Vaclav Pavlin (@vpavlin)

vpavlin

Shell, Python, Go
41
star
1666
Chris Ward (@calmrat)

calmrat

Python
41
star
1667
Jaroslav Bachorik (@jbachorik)

jbachorik

Java, JavaScript
41
star
1668
Jan Till (@honziktillu)

honziktillu

JavaScript, Java, HTML
41
star
1669
National Library of the Czech Republic (@NLCR)

NLCR

Java, Python
41
star
1670
Knowledge Technology Research Group (@KNOT-FIT-BUT)

KNOT-FIT-BUT

Python, C++, Java
41
star
1671
SPŠSE a VOŠ Liberec (@pslib-cz)

pslib-cz

HTML, CSS, TypeScript
41
star
1672
Tomáš Kukrál (@tomkukral)

tomkukral

Python, Shell, Go
41
star
1673
Fakta o klimatu (@faktaoklimatu)

faktaoklimatu

HTML, Python, Jupyter Notebook
41
star
1674
Michal Sukupčák (@michalsukupcak)

michalsukupcak

JavaScript, HTML, CSS
41
star
1675
Michal Haltuf (@haltuf)

haltuf

PHP, Latte
41
star
1676
Ackee Docker Images (@AckeeDevOps)

AckeeDevOps

Shell, Dockerfile, Groovy
41
star
1677
David Šafránek (@Safrad)

Safrad

Pascal
41
star
1678
Jáchym Toušek (@enumag)

enumag

PHP
41
star
1679
Jiří Kozlovský (@jirislav)

jirislav

JavaScript
41
star
1680
Jakub Drobník (@drobnikj)

drobnikj

JavaScript, TypeScript
41
star
1681
René Semela (@renesemela)

renesemela

Python
41
star
1682
Grigory Kolenko (@kolengri)

kolengri

TypeScript
41
star
1683
Renat Eskenin (@3DRaven)

3DRaven

Java, Python, Lua
41
star
1684
Sygic Travel (@sygic-travel)

sygic-travel

PHP, Objective-C, Kotlin
41
star
1685
Boris Stitnicky (@boris-s)

boris-s

Ruby
41
star
1686
Vojtěch Vrba (@vrbadev)

vrbadev

Java, Python, C
41
star
1687
Lucia Tódová (@todoval)

todoval

C#
40
star
1688
Tomáš Trnka (@trnkatomas)

trnkatomas

JavaScript, TeX, Jupyter Notebook
40
star
1689
Patrik Kraif (@kraifpatrik)

kraifpatrik

Yacc, Game Maker Language, Python
40
star
1690
Jan Martinek (@jan-martinek)

jan-martinek

JavaScript, PHP, TeX
40
star
1691
D.V.Yacenko (@d-yacenko)

d-yacenko

Java, Jupyter Notebook, Python
40
star
1692
Ondřej Vodáček (@voda)

voda

PHP
40
star
1693
Adam Kliment (@netmilk)

netmilk

JavaScript, Ruby, API Blueprint
40
star
1694
Lukáš Sztefek (@skywall)

skywall

Kotlin, Shell
40
star
1695
Miroslav Bauer (@mirekys)

mirekys

Python, PHP
40
star
1696
Daniel Jankovič (@jold)

jold

C++
40
star
1697
Jakub Olejník (@olejnjak)

olejnjak

Swift, HTML, JavaScript
40
star
1698
Ledvinka Vít (@frosty22)

frosty22

PHP, JavaScript
40
star
1699
Ondřej Samohel (@antirotor)

antirotor

Python, C++
40
star
1700
Tom Sykora (@tomassykora)

tomassykora

Python, C++
40
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.