🇨🇿 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

6201
Dan Simko (@dsimko)

dsimko

Java
2
star
6202
Jiří Bažant (@jbazant)

jbazant

TypeScript
2
star
6203
Jan Blahout (@JanBlahout)

JanBlahout

TypeScript
2
star
6204
node (@filipalexandr)

filipalexandr

2
star
6205
ISP Alliance (@ispalliance)

ispalliance

PHP
2
star
6206
Batyrkhan Bobetayev (@bobetbat)

bobetbat

TypeScript, Solidity
2
star
6207
Claudia Brasca (@ClauBrasca)

ClauBrasca

Python, HCL
2
star
6208
Matěj Šusta (@msusta)

msusta

Python
2
star
6209
@Magicie

Magicie

2
star
6210
Martin Mates (@Chates)

Chates

Java, C++
2
star
6211
Ondrej Slejtr (@OndraSlejtr)

OndraSlejtr

C++
2
star
6212
Yulia Tokarevskaya (@ytokarevskaya)

ytokarevskaya

JavaScript
2
star
6213
Marek Melichar (@marekmelichar)

marekmelichar

JavaScript
2
star
6214
Roman Diviš (@rodi0878)

rodi0878

Java, C#
2
star
6215
Danila Kh. (@danila-main)

danila-main

C
2
star
6216
Aleš Woska (@ales-woska)

ales-woska

Java
2
star
6217
Adam Cironis (@cironis-adam)

cironis-adam

Kotlin, C#
2
star
6218
Filip Farag (@filipfarag)

filipfarag

CSS
2
star
6219
robert hajek (@roberthaje)

roberthaje

JavaScript
2
star
6220
Michael Petlan (@rfmvh)

rfmvh

Python, Shell
2
star
6221
Michal Chomo (@MichalChomo)

MichalChomo

Python
2
star
6222
HotKarot (@hotkarot)

hotkarot

2
star
6223
@hnandacz

hnandacz

2
star
6224
Martin Ptáček (@MarPta)

MarPta

C++
2
star
6225
Gabriel Max (@dev-zetta)

dev-zetta

JavaScript
2
star
6226
Huskar (@madman1851)

madman1851

C++
2
star
6227
@Droncz

Droncz

Python
2
star
6228
Joni (@MrJoni777)

MrJoni777

2
star
6229
Timofey Ilinykh (@somaritane)

somaritane

2
star
6230
dsaraiva (@davidvsaraiva)

davidvsaraiva

2
star
6231
Ivo Laryš (@ivolarys)

ivolarys

2
star
6232
Friends of SunLight CMS (@friends-of-sunlight-cms)

friends-of-sunlight-cms

PHP
2
star
6233
Matej Leško (@DarkEye123)

DarkEye123

TypeScript, JavaScript
2
star
6234
Petr Ilgner (@petrilgner)

petrilgner

Python
2
star
6235
Michal Čaplygin (@myfonj)

myfonj

HTML
2
star
6236
Tomáš Grasl (@freema)

freema

PHP
2
star
6237
Pepa Mráz (@pepamraz)

pepamraz

JavaScript
2
star
6238
Jan Mareš (@maresja1)

maresja1

C#
2
star
6239
Chci krásu (@chcikrasu)

chcikrasu

TypeScript
2
star
6240
Nikita Dvoriadkin (@nickdee1)

nickdee1

Java, JavaScript
2
star
6241
Filip Valášek (@waal42)

waal42

Python
2
star
6242
Gerardo (@pardocz)

pardocz

2
star
6243
Jan Švanda (@johnsvanda)

johnsvanda

JavaScript
2
star
6244
Jan Demel (@hondem)

hondem

JavaScript
2
star
6245
Mutable Studio (@mutablestudio)

mutablestudio

Objective-C, Java
2
star
6246
Přemek Brada (@pbrada)

pbrada

Java
2
star
6247
Dmytro Pechunka (@simon1400)

simon1400

JavaScript
2
star
6248
@rfojta

rfojta

2
star
6249
Hnutí Brontosaurus (@hnuti-brontosaurus)

hnuti-brontosaurus

TypeScript
2
star
6250
Tomáš Kavan (@tkavan)

tkavan

Objective-C
2
star
6251
Milan Vlahovič (@flexa-cz)

flexa-cz

PHP
2
star
6252
@OPENCZEG

OPENCZEG

HTML
2
star
6253
Zákony pro lidi CZ (@zakonyprolidi)

zakonyprolidi

JavaScript
2
star
6254
Ustinov Valeriy (@UstinovV)

UstinovV

HTML
2
star
6255
Josef Šustáček (@sustacek)

sustacek

Java
2
star
6256
Róbert Kolcún (@NoName115)

NoName115

C++
2
star
6257
Pierre Chevallier (@pierrechevallier)

pierrechevallier

JavaScript
2
star
6258
TID Developement (@lifesimulator2)

lifesimulator2

2
star
6259
Jiří Keresteš (@Nephirus)

Nephirus

C
2
star
6260
Jan Ferko (@iref)

iref

Ruby
2
star
6261
Kamil Rezac (@krezac)

krezac

Python, C++
2
star
6262
Matouš Jan Fialka (@mjf)

mjf

Awk
2
star
6263
Petr Mašát (@pemasat)

pemasat

2
star
6264
Cédric P. Legendre (@cplegendre)

cplegendre

Python
2
star
6265
Sven Hoskens (@sHoskens)

sHoskens

JavaScript
2
star
6266
zJaron (@GraveHag)

GraveHag

C#
2
star
6267
Ondřej Freisler (@Freisler)

Freisler

Java
2
star
6268
Tadeáš Popov (@TadeasPopov)

TadeasPopov

C++
2
star
6269
Strejda603 (@strejda603)

strejda603

JavaScript
2
star
6270
Leonid Baranov (@Nurkambay)

Nurkambay

2
star
6271
Peter Lacko (@peterlacko)

peterlacko

CSS, Python
2
star
6272
Miroslav Papírník (@MirekPapirnik)

MirekPapirnik

2
star
6273
Andrii Antosha (@lowwave)

lowwave

TypeScript, JavaScript
2
star
6274
Sulieman  (@Slemanof)

Slemanof

HTML
2
star
6275
@FlexBooking-Software

FlexBooking-Software

PHP
2
star
6276
Maksym (@Konopl9)

Konopl9

Java
2
star
6277
@Pipello

Pipello

Python, JavaScript
2
star
6278
David Herman (@hermandavid)

hermandavid

JavaScript, Python
2
star
6279
Vamind (@vamind)

vamind

PHP, HTML
2
star
6280
Robozor network (@Robozor-network)

Robozor-network

Python, C, G-code
2
star
6281
Donn Trumpino  (@Drag0n0idus)

Drag0n0idus

Java
2
star
6282
David Stranava (@stranavad)

stranavad

JavaScript
2
star
6283
Jaroslav Petrnoušek (@Baegus)

Baegus

HTML, JavaScript
2
star
6284
Adam Pankuch (@Rattlesnek)

Rattlesnek

C
2
star
6285
Roman Kora (@nochoice)

nochoice

Vue
2
star
6286
X Production (@xproduction)

xproduction

JavaScript, Objective-C
2
star
6287
Petr Šilhák (@Bulva)

Bulva

Python
2
star
6288
Richard RexxaR.AI (@richardrex)

richardrex

2
star
6289
@kockodev

kockodev

PHP
2
star
6290
Marek Mikula (@marek-mikula)

marek-mikula

JavaScript, Java
2
star
6291
@melimat

melimat

Python
2
star
6292
Andrej Jurčo (@bodommer)

bodommer

JavaScript, Java
2
star
6293
Jakub Lares (@JakubLares)

JakubLares

Swift
2
star
6294
Lukas Beran (@luberan)

luberan

2
star
6295
Ondra Jelínek (@PROrock)

PROrock

Python
2
star
6296
Radim (@rds76)

rds76

Python
2
star
6297
Milan Koníř (@butchyyyy)

butchyyyy

TypeScript
2
star
6298
Robert Čížek (@LANeo64)

LANeo64

C++
2
star
6299
Martin B (@mbalous)

mbalous

C#
2
star
6300
Winsite a.s. (@winsite)

winsite

JavaScript
2
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.