🇨🇿 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

6,166

Organizations

831

Repositories

40,617

Top Rank

Shell, Dockerfile, C

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

Top Contributors

401
Networks and Distributed Systems (@nesfit)

nesfit

Python, C#, HTML
307
star
402
David Vavra (@davidvavra)

davidvavra

Java, Kotlin, Python
306
star
403
Apify Projects (@apify-projects)

apify-projects

TypeScript, JavaScript
303
star
404
Andrej Jurkin (@AndrejJurkin)

AndrejJurkin

JavaScript, Java, Swift
303
star
405
Jan Dryk (@uxsoft)

uxsoft

F#, C#
302
star
406
Vinzenz 'evilissimo' Feenstra  (@vinzenz)

vinzenz

C++, C, Go
302
star
407
Eduard Tsech (@edtsech)

edtsech

Ruby, Clojure, JavaScript
302
star
408
@Vuka951

Vuka951

JavaScript, Python
302
star
409
Denys Khanzhiyev (@xdenser)

xdenser

JavaScript, C
301
star
410
Packit (@packit)

packit

Python, TypeScript, C
299
star
411
Motaki Maddane (@kronik3r)

kronik3r

CSS, HTML, JavaScript
299
star
412
@tajnymag

tajnymag

TypeScript, JavaScript
299
star
413
Jiří Hýbek (@jirihybek)

jirihybek

JavaScript, TypeScript, Shell
297
star
414
Robo@FIT, Faculty of Information Technology, Brno University of Technology (@robofit)

robofit

C++, Python, Prolog
297
star
415
Marek Mauder (@galfar)

galfar

Pascal, Java
296
star
416
Jiří Setnička (@setnicka)

setnicka

Go, Python, PHP
296
star
417
Matěj Štágl (@lofcz)

lofcz

C#, Game Maker Language, JavaScript
295
star
418
Matej Sychra (@suculent)

suculent

C++, JavaScript, Objective-C
295
star
419
Jan Kučera (@hclivess)

hclivess

Python, Tcl, HTML
295
star
420
Kepi (@kepi)

kepi

Shell, TypeScript, PHP
294
star
421
Jakub Cabal (@jakubcabal)

jakubcabal

VHDL, Lua
294
star
422
Danol (@CZDanol)

CZDanol

C++, C#, GLSL
294
star
423
Jakub Skořepa (@jskorepa)

jskorepa

C++, TypeScript
292
star
424
Miloslav Číž #movingToGitLab (@drummyfish)

drummyfish

C++, Python, Haskell
292
star
425
Sean Straus (@scstraus)

scstraus

JavaScript
291
star
426
Mukesh (@muke1908)

muke1908

TypeScript, JavaScript
290
star
427
Pematon, s.r.o. (@pematon)

pematon

PHP, Less
289
star
428
Denis Rojcyk (@rojcyk)

rojcyk

TypeScript
288
star
429
Michal Fojtik (@mfojtik)

mfojtik

Go, Ruby, Shell
287
star
430
Mikhail Shugay (@mikessh)

mikessh

Groovy, Java, R
287
star
431
FlowUp (@flowup)

flowup

TypeScript, Go, JavaScript
287
star
432
Ondřej Kunc (@OndrejKunc)

OndrejKunc

Dart, C#
287
star
433
Valentin Gologuzov (@evilkost)

evilkost

Python, Shell, Ruby
287
star
434
Filip Procházka (@fprochazka)

fprochazka

PHP, JavaScript, Java
287
star
435
Artem Savkov (@sm00th)

sm00th

C, Python
284
star
436
Tomáš Kolinger (@kolinger)

kolinger

PHP, Python, JavaScript
283
star
437
Vojtěch Dobeš (@vojtech-dobes)

vojtech-dobes

PHP, JavaScript
282
star
438
Ondrej Novak (@ondra-novak)

ondra-novak

C++, JavaScript, C
279
star
439
Adam Štrauch (@by-cx)

by-cx

Python, HTML, Go
278
star
440
</BRJ> core packages (@baraja-core)

baraja-core

PHP, TypeScript, JavaScript
277
star
441
Jan Vorisek (@odditica)

odditica

Python, Game Maker Language, Processing
276
star
442
Tomas Mudrunka (@Harvie)

Harvie

PHP, C, Shell
276
star
443
AntigenOmics (@antigenomics)

antigenomics

Jupyter Notebook, HTML, Groovy
276
star
444
Lundegaard a.s. (@lundegaard)

lundegaard

JavaScript, Java, Shell
276
star
445
Averrin (@averrin)

averrin

C++, JavaScript, Python
276
star
446
Richard Pecl (@peclik)

peclik

OpenSCAD, JavaScript
275
star
447
Jan K (@krajj7)

krajj7

C++, Clojure
275
star
448
Lukáš Zahradník (@LukasZahradnik)

LukasZahradnik

Python, R, Tcl
274
star
449
Václav Klecanda (@vencax)

vencax

Python, JavaScript, CoffeeScript
273
star
450
Martin Styk (@MartinStyk)

MartinStyk

Kotlin, Java, Ruby
272
star
451
Lukáš Němec (@lunemec)

lunemec

Go, Rust, Python
272
star
452
Břetislav Wajtr (@bwajtr)

bwajtr

Java, Dockerfile
270
star
453
RoboticsBrno (RobotikaBrno) (@RoboticsBrno)

RoboticsBrno

C++, C, Java
269
star
454
Nebula Broadcast (@nebulabroadcast)

nebulabroadcast

Python, Shell
269
star
455
Pavel Lang (@langpavel)

langpavel

JavaScript, TypeScript, C#
267
star
456
Petr Šplíchal (@psss)

psss

Python, Perl, Shell
266
star
457
Vadim Rutkovsky (@vrutkovs)

vrutkovs

Shell, Go, Python
265
star
458
Martin Malý (@maly)

maly

JavaScript, HTML, VHDL
265
star
459
Marek Fišera (@maraf)

maraf

C#, Java, C++
265
star
460
Purple Technology (@purple-technology)

purple-technology

TypeScript, JavaScript
264
star
461
Games and Simulations Research Group (@Games-and-Simulations)

Games-and-Simulations

Python, C++, HTML
263
star
462
@TheNetworg

TheNetworg

PHP, PowerShell, C#
263
star
463
@tomiis4

tomiis4

Lua, Go
263
star
464
Kirill (@uprtdev)

uprtdev

Go, JavaScript
263
star
465
Pavel Pscheidl (@Pscheidl)

Pscheidl

Java, Rust
262
star
466
Vladimir Botka (@vbotka)

vbotka

Jinja, Shell, Python
261
star
467
Filip Molcik (@molcik)

molcik

JavaScript, Python, HTML
260
star
468
Vladimir Orany (@musketyr)

musketyr

Groovy, Java, JavaScript
260
star
469
Pavel (@DrrDom)

DrrDom

Python, Jupyter Notebook, R
259
star
470
@rdk

rdk

Groovy
256
star
471
Daniel Hryzbil (@ccomrade)

ccomrade

C++
255
star
472
Rastislav Mirek (@RastislavMirek)

RastislavMirek

Swift
254
star
473
Jiří Nádovrník (@nadvornix)

nadvornix

HTML, Python, Mathematica
252
star
474
Sorki (@sorki)

sorki

Python, Haskell, Shell
252
star
475
Juraj Michálek (@georgik)

georgik

Rust, C, Python
250
star
476
@CzechPMDevs

CzechPMDevs

PHP, C#
249
star
477
Martin Liška (@marxin)

marxin

Python, Makefile, C++
249
star
478
Dan Vrátil (@danvratil)

danvratil

C++, Kotlin, Python
249
star
479
Jonas Serych (@serycjon)

serycjon

Python, Common Lisp
248
star
480
Martin Sikora (@martinsik)

martinsik

TypeScript, Python, Dart
247
star
481
DX Heroes (@DXHeroes)

DXHeroes

TypeScript, Swift, JavaScript
247
star
482
K3A (@k3a)

k3a

C++, C, Go
246
star
483
Jaroslav Tulach (@jtulach)

jtulach

Java, CSS, JavaScript
246
star
484
Michal Jankovič (@MiSo1289)

MiSo1289

C++, CMake, Python
245
star
485
Martin Zikmund (@MartinZikmund)

MartinZikmund

C#, JavaScript
245
star
486
Jakub Jareš (@nohwnd)

nohwnd

PowerShell, C#, CSS
243
star
487
Alexander Sosedkin (@t184256)

t184256

Python, Nix, C
243
star
488
Luboš Doležel (@LubosD)

LubosD

C++, OpenSCAD, Go
242
star
489
Marek Hrabe (@marekhrabe)

marekhrabe

JavaScript, CoffeeScript, CSS
242
star
490
Vojtěch Sázel (@wojta)

wojta

Kotlin, TypeScript, HTML
242
star
491
Honza Břečka (@honzabrecka)

honzabrecka

JavaScript, Clojure, TypeScript
240
star
492
TREZOR Graveyard (@trezor-graveyard)

trezor-graveyard

C++, C, JavaScript
240
star
493
Martin Král (@MartinKral)

MartinKral

JavaScript, TypeScript, ShaderLab
240
star
494
Kamil Páral (@kparal)

kparal

Python, Java, JavaScript
240
star
495
ShipMonk R&D (@shipmonk-rnd)

shipmonk-rnd

PHP
238
star
496
Tomáš Konrády (@tommmyy)

tommmyy

JavaScript, HTML, CSS
238
star
497
Web Entity (@WebEntity)

WebEntity

237
star
498
Jan Tesař (@tesar-tech)

tesar-tech

C#, HTML, MATLAB
235
star
499
Ondřej Machulda (@OndraM)

OndraM

PHP
235
star
500
Leonid Buneev (@leo-buneev)

leo-buneev

JavaScript
234
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
14.8%
C++
8.3%
Java
8.2%
PHP
8.1%
Other
44.8%

World rating by programing language (country/rank)

Shell
20
Dockerfile
20
C
24
C++
26
Rust
26

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