🇨🇿 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

801
Erik (@ErikMoczi)

ErikMoczi

C#, TypeScript
132
star
802
Adam Křivka (@akrivka)

akrivka

Clojure, JavaScript, TypeScript
132
star
803
Chalupa Petr (@pitr-ch)

pitr-ch

Ruby, HTML, JavaScript
132
star
804
Tomáš Hurýn (@thuryn)

thuryn

Java
132
star
805
@dtunctuncer

dtunctuncer

Java, Kotlin
131
star
806
Lukáš Kubiš (@lukaskubis)

lukaskubis

Python
131
star
807
@lucien144

lucien144

JavaScript, Vue, Dart
131
star
808
Pavel Hruska (@mrpeardotnet)

mrpeardotnet

C#
130
star
809
@NomisCZ

NomisCZ

PHP, SourcePawn, CSS
129
star
810
Jan Vorisek (@janvorisek)

janvorisek

Julia, TeX, Vue
129
star
811
@rostaklein

rostaklein

TypeScript, Java, JavaScript
129
star
812
Československá obchodní banka (@csob)

csob

129
star
813
@Arokip

Arokip

Dart
129
star
814
@TanyaPristupova

TanyaPristupova

C#
129
star
815
Petr (@ppetr)

ppetr

Haskell, Python, Java
128
star
816
Alena Varkockova (@alenkacz)

alenkacz

Groovy, Java, Go
128
star
817
Václav Pech (@vaclav)

vaclav

Java, JetBrains MPS, Kotlin
128
star
818
@fm4d

fm4d

Python
128
star
819
bartosjiri ⚡ (@bartosjiri)

bartosjiri

Svelte, JavaScript, Python
127
star
820
Czech National Corpus (@czcorpus)

czcorpus

Go, TypeScript, C++
127
star
821
Luboš Remplík (@LubosRemplik)

LubosRemplik

PHP, JavaScript, Vim Script
127
star
822
ehw@FIT (@ehw-fit)

ehw-fit

C, Verilog, Python
127
star
823
Vinicius Marchesin Araujo (@vmarchesin)

vmarchesin

JavaScript, TypeScript
126
star
824
Bonitoo s.r.o. (@bonitoo-io)

bonitoo-io

Python, Java, Shell
126
star
825
Alex Studnička (@alex-alex)

alex-alex

Swift, Objective-C, Python
126
star
826
Dmitrii Tikhomirov (@treblereel)

treblereel

Java, JavaScript, HTML
125
star
827
Tomas Belada (@belaczek)

belaczek

CSS, JavaScript
125
star
828
Pavel Kalian (@nohal)

nohal

C++, C, Shell
125
star
829
Knowledge Based Software Systems Group (@kbss-cvut)

kbss-cvut

Java, JavaScript, TypeScript
125
star
830
@OK-DMR

OK-DMR

Python, CSS, C
124
star
831
David Lukes (@dlukes)

dlukes

Python, Shell, HTML
124
star
832
@paplhjak

paplhjak

C++, Python
124
star
833
@Venne

Venne

PHP, JavaScript, CSS
123
star
834
GENERAL BYTES (@GENERALBYTESCOM)

GENERALBYTESCOM

Java
123
star
835
James Fuller (@xquery)

xquery

XQuery, C++, Shell
123
star
836
Tomáš Král (@to-mas-kral)

to-mas-kral

Rust, C++, C
123
star
837
DAS REPTIL (@REPTILEHAUS)

REPTILEHAUS

Vim Script, TypeScript, Go
123
star
838
VixikHD (@GamakCZ)

GamakCZ

PHP, Java, JavaScript
123
star
839
Matouš Kučera (@zlataovce)

zlataovce

Java, Kotlin, JavaScript
122
star
840
Infinityloop.cz (@infinityloop-dev)

infinityloop-dev

PHP, JavaScript
122
star
841
@madnest

madnest

PHP
122
star
842
Jan Kovar (@jean79)

jean79

JavaScript, Kotlin
122
star
843
Robin Zounar (@zounar)

zounar

C++, Dockerfile, PHP
122
star
844
Petr Šopf (@Trsak)

Trsak

Python, Lua, C++
121
star
845
Tomáš Popela (@tpopela)

tpopela

JavaScript, Python, C
121
star
846
3λiȯ+ (@eliot-akira)

eliot-akira

JavaScript, TypeScript, C++
120
star
847
imm studios (@immstudios)

immstudios

Python, CSS, Shell
120
star
848
Localazy (@localazy)

localazy

TypeScript, JavaScript, Shell
120
star
849
Amir Reza Dalir (@dalirnet)

dalirnet

JavaScript, HTML, CSS
120
star
850
Easy Redmine (@easyredmine)

easyredmine

Ruby, Shell, Java
120
star
851
GLAMI (@glami)

glami

Python, Smarty, Jupyter Notebook
119
star
852
@SumrakDZN

SumrakDZN

C, C#, C++
119
star
853
Max (@eterey)

eterey

JavaScript, Python, CSS
119
star
854
Pavol Daniš (@pdanis)

pdanis

JavaScript
119
star
855
Roman Piták (@romanpitak)

romanpitak

PHP, Shell, TeX
119
star
856
Lukas Svoboda (@lksv)

lksv

Ruby, JavaScript
119
star
857
Dmitry Shilov (@bk201-)

bk201-

TypeScript, JavaScript, HTML
118
star
858
Martin Winkelhofer (@wdim0)

wdim0

C
118
star
859
Sergey Makridenkov (@msa7)

msa7

Crystal
118
star
860
Filip Dominec (@FilipDominec)

FilipDominec

Python, TeX, Shell
118
star
861
GOPAY s.r.o. (@gopaycommunity)

gopaycommunity

PHP, HTML, C#
117
star
862
Vitalii Honta (@vitaliihonta)

vitaliihonta

Scala, JavaScript
117
star
863
GreyCorbel Solutions (@GreyCorbel)

GreyCorbel

C#, PowerShell, C++
117
star
864
Bandwidth (@CloudMracek)

CloudMracek

C, C++, C#
116
star
865
Andrei Simonov (@dizzyfool)

dizzyfool

Go
116
star
866
Bileto (@bileto)

bileto

PHP, Java
116
star
867
Nikos Mavrogiannopoulos (@nmav)

nmav

C, Groff, Shell
116
star
868
FG Forrest (@FgForrest)

FgForrest

Java, C#, Scala
116
star
869
David Ruzicka (@ruzicka)

ruzicka

JavaScript, TypeScript
116
star
870
Jonáš Častulík (@jcastulik)

jcastulik

HTML
116
star
871
Martin Ovesny (@zitmen)

zitmen

Java, MATLAB, C++
115
star
872
Andrej Butok (@butok)

butok

C
115
star
873
@javamachr

javamachr

115
star
874
Michal (@cshaa)

cshaa

TypeScript, Svelte, GDScript
115
star
875
Michal Koutný (@Werkov)

Werkov

Python, C++, PHP
115
star
876
Michal Ozogan (@fabulator)

fabulator

TypeScript, PHP, JavaScript
115
star
877
Kamil Sacek (@kine)

kine

PowerShell, C#, TypeScript
115
star
878
@collegue1337

collegue1337

Python
114
star
879
Lubomir Jagos (@LubomirJagos)

LubomirJagos

LabVIEW, C++, Python
114
star
880
Yasan (@yasanglass)

yasanglass

Kotlin, CSS, Markdown
114
star
881
Otto (@octaviospain)

octaviospain

Java
114
star
882
Josef Kuchař (@JosefKuchar)

JosefKuchar

TypeScript, JavaScript, Python
114
star
883
Milan Lund (@MilanLund)

MilanLund

JavaScript
114
star
884
Pavel Hrdina (@im-n1)

im-n1

Python, Rust, CSS
114
star
885
Tomas Ruzicka (@LeZuse)

LeZuse

JavaScript, CoffeeScript, Shell
113
star
886
Jonathas Ribeiro (@jonathas)

jonathas

JavaScript, TypeScript, C++
113
star
887
Rastislav Kisel (@ragoragino)

ragoragino

C++, Python, CSS
112
star
888
Matyáš Racek (@panstromek)

panstromek

HTML, JavaScript, Rust
112
star
889
Tomáš Křehlík (@tomaskrehlik)

tomaskrehlik

Julia, R, Python
112
star
890
Ondrej Novak (@ondrejnov)

ondrejnov

PHP, Shell, JavaScript
112
star
891
@OpenGeoLabs

OpenGeoLabs

Python, HTML, QML
112
star
892
Selen Gora (@SelenGora)

SelenGora

JavaScript
111
star
893
Vojtěch Struhár (@VojtaStruhar)

VojtaStruhar

GDScript, Astro, Go
111
star
894
Gustav Šír (@GustikS)

GustikS

Java, Shell
111
star
895
Tomáš Mozdřeň (@BeanGreen247)

BeanGreen247

Shell, Python, JavaScript
111
star
896
Lubos Kosco (@tarzanek)

tarzanek

Java
111
star
897
Henryk Paluch (@hpaluch)

hpaluch

Shell, C, C++
111
star
898
Chemical intelligence lab (@ci-lab-cz)

ci-lab-cz

Python, Jupyter Notebook
110
star
899
Pr01og (@pr01og)

pr01og

Java, JavaScript, Swift
110
star
900
Lukáš Karas (@Karry)

Karry

C++, C, QML
110
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.