🇨🇿 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

6,173

Organizations

831

Repositories

40,660

Top Rank

Shell, C, C++

🇨🇿 Made in Czechia Compare with other countries 🌐 All countries

Top Contributors

301
Honza Brázdil (@janinko)

janinko

Java, Pascal, Prolog
418
star
302
Akhmed Ibragimov (@Darginec05)

Darginec05

TypeScript
417
star
303
HARDWARIO (@hardwario)

hardwario

C, Python, JavaScript
417
star
304
Jan Procházka (@jprochazk)

jprochazk

Rust, TypeScript, JavaScript
414
star
305
Vojtech Ruzicka (@vojtechruz)

vojtechruz

Java, Python, HTML
414
star
306
Rikudou_Sage (@RikudouSage)

RikudouSage

PHP, QML, C++
413
star
307
Löwenware (@lowenware)

lowenware

C, Rust, JavaScript
413
star
308
Adam Heinrich (@adamheinrich)

adamheinrich

C, Makefile, MATLAB
413
star
309
Richard Sustek (@Enngage)

Enngage

TypeScript, CSS, JavaScript
412
star
310
Bohumír Zámečník (@bzamecnik)

bzamecnik

Python, C#, Java
412
star
311
Eugen Pechanec (@consp1racy)

consp1racy

Java, C#
411
star
312
Rado Sohlich (@sohlich)

sohlich

Go, Java, TypeScript
410
star
313
Roman Peshkov (@rpeshkov)

rpeshkov

TypeScript, Shell, C#
409
star
314
Miroslav Šulc (@fordfrog)

fordfrog

Java
408
star
315
Radek Podgorny (@rpodgorny)

rpodgorny

Python, C, Shell
406
star
316
statica (@staticafi)

staticafi

Python, C++, C
405
star
317
Marek Fajkus (@turboMaCk)

turboMaCk

Elm, Haskell, Nix
402
star
318
Ondřej Kupka (@tchap)

tchap

Go, Prolog, Shell
399
star
319
Pavel (@nadlabak)

nadlabak

C, Java, Shell
398
star
320
Jan Marek (@janmarek)

janmarek

PHP, JavaScript, Java
396
star
321
Tomáš Souček (@soCzech)

soCzech

Python, TeX, Jupyter Notebook
395
star
322
Michal Altair Valášek (@ridercz)

ridercz

C#, OpenSCAD, C++
395
star
323
Ondrej Sika (@ondrejsika)

ondrejsika

HCL, Python, Makefile
394
star
324
@mapshakers

mapshakers

JavaScript, CSS, HTML
393
star
325
Ondřej Švanda (@Papooch)

Papooch

TypeScript, JavaScript, Python
393
star
326
Matej Knopp (@knopp)

knopp

Dart, Objective-C
391
star
327
Oleksandr Fediashov (@layershifter)

layershifter

JavaScript, PHP, TypeScript
391
star
328
Jan Blaha (@pofider)

pofider

JavaScript, C#
389
star
329
Jiri Hnidek (@jirihnidek)

jirihnidek

C, JavaScript, Python
388
star
330
Simon Podlipsky (@simPod)

simPod

PHP, TypeScript
388
star
331
Josef Richter (@josefrichter)

josefrichter

JavaScript, Ruby, CSS
387
star
332
GoodData (@gooddata)

gooddata

JavaScript, Python, Java
386
star
333
Honza Bittner (@tenhobi)

tenhobi

Dart, TeX, Python
385
star
334
Martin Fleischmann (@martinfleis)

martinfleis

Jupyter Notebook, TeX, JavaScript
385
star
335
Pavel S (@pilotak)

pilotak

C++, Python, C
385
star
336
Anton Gunov (@antongunov)

antongunov

JavaScript, Vue
380
star
337
Josef Pospíšil (@pepe)

pepe

Ruby, JavaScript, HTML
379
star
338
Alois Bělaška (@abelaska)

abelaska

JavaScript, Java, Perl
374
star
339
Karel Vesely (@KarelVesely84)

KarelVesely84

Python, Shell
373
star
340
Michal Čihař (@nijel)

nijel

Python, Shell, C
370
star
341
Radek Bartyzal (@BartyzalRadek)

BartyzalRadek

Jupyter Notebook, Python, TeX
369
star
342
Adam Svoboda (@IGPenguin)

IGPenguin

Kotlin, Shell, Java
367
star
343
Roman Jámbor (@Hookyns)

Hookyns

TypeScript, JavaScript, C#
366
star
344
Jan Tojnar (@jtojnar)

jtojnar

JavaScript, Python, Nix
366
star
345
Jiří Bětuňák (@KinDR007)

KinDR007

C++
364
star
346
Mikulas Dite (@Mikulas)

Mikulas

PHP, C, C++
363
star
347
Roman Ožana (@OzzyCzech)

OzzyCzech

PHP, JavaScript, Shell
363
star
348
ITDS Consulting, s.r.o. (@itds-consulting)

itds-consulting

Python, Java, C++
361
star
349
Martin Hub (@hubmartin)

hubmartin

C, Python, JavaScript
361
star
350
Dmitry Hrabrov (@DeXP)

DeXP

C, C#, Ren'Py
360
star
351
Jiří Petruželka (@NoxArt)

NoxArt

Python, C++
359
star
352
@ScreamingSandals

ScreamingSandals

Java, HTML
359
star
353
manGoweb s.r.o. (@manGoweb)

manGoweb

Swift, JavaScript, TypeScript
358
star
354
Roman Krejčík (@farin)

farin

JavaScript, Python, Vue
357
star
355
Tomas Holas (@tomaash)

tomaash

JavaScript, Ruby, TypeScript
356
star
356
Artem Manchenkov (@manchenkoff)

manchenkoff

Python, PHP, JavaScript
356
star
357
iXit Group (@iXit)

iXit

C
355
star
358
Jakub Nei (@JakubNei)

JakubNei

C#, SQF, C++
354
star
359
Daniel Suchý (@Nodonisko)

Nodonisko

TypeScript, JavaScript
354
star
360
Daniel Uhříček (@danielpoliakov)

danielpoliakov

C++, Python, Shell
349
star
361
Petr Marek (@mreq)

mreq

Python, JavaScript, CSS
349
star
362
Lukáš Zapletal (@lzap)

lzap

Shell, Go, Ruby
349
star
363
Marek Čermák (@CermakM)

CermakM

Python, JavaScript, C++
347
star
364
Jirka Pinkas (@jirkapinkas)

jirkapinkas

Java, Shell, CSS
346
star
365
Péhápkaři (@pehapkari)

pehapkari

HTML, PHP
344
star
366
František Milt (@TheLazyTomcat)

TheLazyTomcat

Pascal, Batchfile
344
star
367
Vojtěch Vondra (@vvondra)

vvondra

Java, JavaScript, C#
343
star
368
Michal Mroček (@mroczis)

mroczis

Java, Kotlin, Elm
340
star
369
@Spinoco

Spinoco

Scala
340
star
370
Petr Houška (@petrroll)

petrroll

C#, Python, Haskell
339
star
371
Marek Sebera (@smarek)

smarek

Java, PHP, Python
339
star
372
@Sanqui

Sanqui

Python, Assembly, TypeScript
338
star
373
Roman Schejbal (@romanschejbal)

romanschejbal

JavaScript, Rust, TypeScript
336
star
374
Tomáš Nožička (@tnozicka)

tnozicka

Go, Makefile, Groovy
334
star
375
rtuna (@rtunazzz)

rtunazzz

Python, JavaScript, Go
334
star
376
Petr Jašíček (@pjasicek)

pjasicek

C#, C++, Python
332
star
377
Jiri Pospisil (@jiripospisil)

jiripospisil

JavaScript, Java, Ruby
332
star
378
Wultra (@wultra)

wultra

Java, Swift, JavaScript
331
star
379
Matěj Šmíd (@smidm)

smidm

Python, C++, TeX
331
star
380
Neitri (@netri)

netri

C#, ShaderLab, Python
329
star
381
Martin Vidner (@mvidner)

mvidner

Ruby, Shell, Python
329
star
382
Jovan Lanik (@jovanlanik)

jovanlanik

C, Lua
328
star
383
Miroslav Suchý (@xsuchy)

xsuchy

Python, Shell, JavaScript
327
star
384
Jakub Mikulas (@JackuB)

JackuB

HTML, JavaScript, Java
326
star
385
Tomáš Linhart (@TomasLinhart)

TomasLinhart

Swift, C#, Java
326
star
386
Tomáš Karabela (@tkarabela)

tkarabela

Python, Jupyter Notebook, C++
325
star
387
Petr Dlouhý (@PetrDlouhy)

PetrDlouhy

Python, XSLT, Shell
323
star
388
Hlídač Státu, z.ú. (@HlidacStatu)

HlidacStatu

C#, JavaScript, HTML
320
star
389
Miha Zupan (@MihaZupan)

MihaZupan

C#
320
star
390
Martin Rocek (@silencesys)

silencesys

JavaScript, CSS, Dockerfile
319
star
391
Martin Chodur (@FUSAKLA)

FUSAKLA

Go, HTML, Shell
318
star
392
Jiří Vrba (@jirkavrba)

jirkavrba

Java, TypeScript, Elixir
318
star
393
Jakub Mandula (@mandulaj)

mandulaj

JavaScript, C++, Python
316
star
394
Matěj Kašpar Jirásek (@mkj-is)

mkj-is

Swift, Processing, Ruby
314
star
395
Jonathan Worthington (@jnthn)

jnthn

Raku, Perl 6, Perl
313
star
396
David Kudera (@davidkudera)

davidkudera

JavaScript, TypeScript
311
star
397
Sec51 (@sec51)

sec51

Go, JavaScript
311
star
398
Contember (@contember)

contember

TypeScript, PHP, Go
310
star
399
Mukesh (@muke1908)

muke1908

TypeScript, JavaScript
309
star
400
Robin Bortlík (@robinbortlik)

robinbortlik

Ruby, JavaScript, CoffeeScript
309
star

Statistics

By location

Prague 64.1%
Brno 21.2%
Ostrava 2.1%
Pilsen 1.5%
Liberec 1.0%
Other 10.1%

By programing language

JavaScript
15.9%
Python
14.9%
C++
8.2%
Java
8.2%
PHP
8.0%
Other
44.8%

World rating by programing language (country/rank)

Shell
21
C
24
C++
26
Rust
26
PHP
27

* More analytics for signed in users.