🇨🇿 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

501
Kamil Páral (@kparal)

kparal

Python, Java, JavaScript
243
star
502
Jan Pipek (@janpipek)

janpipek

Python, C++, Jupyter Notebook
243
star
503
Jakub Jareš (@nohwnd)

nohwnd

PowerShell, C#, CSS
243
star
504
Ondřej Machulda (@OndraM)

OndraM

PHP
242
star
505
Marek Hrabe (@marekhrabe)

marekhrabe

JavaScript, CoffeeScript, CSS
242
star
506
BRAILCOM,o.p.s. (@brailcom)

brailcom

Scheme, C, Perl 6
241
star
507
Honza Břečka (@honzabrecka)

honzabrecka

JavaScript, Clojure, ActionScript
241
star
508
Pavel Zbytovský (@zbycz)

zbycz

PHP, HTML, JavaScript
241
star
509
Dmitry Brazhenko (@dmitry-brazhenko)

dmitry-brazhenko

Python, Jupyter Notebook, C#
240
star
510
Kuba Andrýsek (@JakubAndrysek)

JakubAndrysek

Python, C++, C
239
star
511
Václav Chlumský (@vchlum)

vchlum

JavaScript, C++
238
star
512
Tomáš Konrády (@tommmyy)

tommmyy

JavaScript, HTML, CSS
238
star
513
Martin Sloup (@arcao)

arcao

Java, Kotlin, C++
238
star
514
ShipMonk R&D (@shipmonk-rnd)

shipmonk-rnd

PHP
238
star
515
Leonid Buneev (@leo-buneev)

leo-buneev

JavaScript
237
star
516
Web Entity (@WebEntity)

WebEntity

237
star
517
Jan Tesař (@tesar-tech)

tesar-tech

C#, HTML, MATLAB
235
star
518
Martin Hujer (@mhujer)

mhujer

PHP, JavaScript, TypeScript
235
star
519
Robert Vojcik (@rvojcik)

rvojcik

Shell, Python
235
star
520
Ondřej Caletka (@oskar456)

oskar456

Python, C, HTML
234
star
521
Petr Sedlacek (@piit79)

piit79

Python, Assembly, OpenSCAD
234
star
522
Martin Vit (@voipmonitor)

voipmonitor

C++, C
234
star
523
BlueBits (@bluebits-academy)

bluebits-academy

JavaScript, TypeScript, CSS
233
star
524
Pavel Procházka (@pajapro)

pajapro

Swift, Ruby
233
star
525
Robert Vojta (@zrzka)

zrzka

Shell, Python, Objective-C
233
star
526
Filip Troníček (@filiptronicek)

filiptronicek

JavaScript, Python, TypeScript
233
star
527
Ladi (@martincik)

martincik

Ruby, JavaScript, Objective-C
231
star
528
Samuel Dostál (@samodostal)

samodostal

Lua, C
231
star
529
Oldes Huhuman (@Oldes)

Oldes

Rebol, C, Java
231
star
530
Ales Zoulek (@aleszoulek)

aleszoulek

Python, HTML, Vim Script
230
star
531
František Řezníček (@freznicek)

freznicek

Java, Shell, C++
229
star
532
Maguro (@FluffyMaguro)

FluffyMaguro

Python
229
star
533
Martin Kolarik (@mrkolarik)

mrkolarik

Python
228
star
534
@fedora-copr

fedora-copr

Python, Shell
228
star
535
Martin Lukasek (@mlukasek)

mlukasek

C++, C#, ASP.NET
227
star
536
Charalampos Kardaris (@ckardaris)

ckardaris

Shell
227
star
537
Filip Navara (@filipnavara)

filipnavara

C#, C
226
star
538
@Dejvino

Dejvino

C, Java, Python
225
star
539
Roman Masek (@romario333)

romario333

JavaScript, Java, Objective-C
225
star
540
@gtolias

gtolias

MATLAB, Python, C
224
star
541
@PetraVidnerova

PetraVidnerova

Python, Jupyter Notebook
223
star
542
Tomáš Růžička (@djbozkosz)

djbozkosz

C++, Python
223
star
543
Dan (@DanPristupov)

DanPristupov

C#, HTML
223
star
544
Jakub Lédl (@jakubledl)

jakubledl

PHP
223
star
545
Ken Mijime (@KeNaCo)

KeNaCo

Python
223
star
546
Česko.Digital (@cesko-digital)

cesko-digital

TypeScript, HCL, Vue
222
star
547
Jan Ringoš (@tringi)

tringi

C++, C
221
star
548
Petr Švihlík (@petrsvihlik)

petrsvihlik

C#, HTML
221
star
549
ximilar (@Ximilar-com)

Ximilar-com

Python
221
star
550
James Thistlewood (@jthistle)

jthistle

Python, JavaScript, Shell
221
star
551
David Spohr (@EskelCz)

EskelCz

Python, JavaScript
221
star
552
Industrial Informatics Research Center (@CTU-IIG)

CTU-IIG

C++, C, MATLAB
220
star
553
@VaanaCZ

VaanaCZ

C++
220
star
554
Ivan Novakov (@ivan-novakov)

ivan-novakov

PHP, JavaScript, Java
219
star
555
Petr Messner (@messa)

messa

Python, JavaScript, HTML
218
star
556
Pavel 'Strajk' Dolecek (@Strajk)

Strajk

JavaScript, HTML, CSS
218
star
557
Indeed Miners (@IndeedMiners)

IndeedMiners

C#, C++
218
star
558
TOPMONKS (@topmonks)

topmonks

JavaScript, TypeScript, HTML
217
star
559
Bohuslav Šimek (@kambo-1st)

kambo-1st

PHP, C
217
star
560
Luis Beltran (@icebeam7)

icebeam7

C#, HTML, Python
216
star
561
Michal Cichra (@mikz)

mikz

Ruby, JavaScript, Shell
215
star
562
Jakub Beneš (@jukben)

jukben

JavaScript, Shell, TypeScript
215
star
563
@Bystroushaak

Bystroushaak

Python, D, HTML
214
star
564
Auto*Mat (@auto-mat)

auto-mat

Python, HTML, Markdown
214
star
565
Jakub Pavlík (@igneus)

igneus

Ruby, LilyPond, TeX
214
star
566
@oxiKKK

oxiKKK

C++, Python, C
213
star
567
Vojtěch Hořánek (@vojta-horanek)

vojta-horanek

Java, C++, Kotlin
213
star
568
Pavol Hejný (@hejny)

hejny

TypeScript, JavaScript, HTML
213
star
569
@LaskaKit

LaskaKit

C++, C
212
star
570
Nicolas Williams (@tiredpixel)

tiredpixel

Ruby, Python, Haskell
212
star
571
Mike Vercoelen (@mikevercoelen)

mikevercoelen

JavaScript
212
star
572
Nick Jennings (@silverbucket)

silverbucket

JavaScript, TypeScript
212
star
573
Radek Zahradník (@KUTlime)

KUTlime

PowerShell, C#, C++
211
star
574
@VUKOZ-OEL

VUKOZ-OEL

C++, HTML
210
star
575
Pavol Babinčák‏ (@scrool)

scrool

Python, JavaScript
210
star
576
Matej Bransky (@MatejBransky)

MatejBransky

TypeScript, JavaScript, HTML
210
star
577
Jakub Bouček (@jakubboucek)

jakubboucek

PHP, JavaScript, HTML
210
star
578
Petr Onderka (@svick)

svick

C#, Python, PHP
209
star
579
Martin Miksik (@mamiksik)

mamiksik

TypeScript, Swift, C++
209
star
580
Jakub Švehla (@Svehla)

Svehla

TypeScript, JavaScript, Python
208
star
581
Radek Polak (@radekp)

radekp

C++, C, Shell
208
star
582
Jiří Pinkava (@pinkavaj)

pinkavaj

C, Python, C++
207
star
583
Ianis Triandafilov (@hiquest)

hiquest

JavaScript, TypeScript, Vim Script
207
star
584
Martin Doubek (@ArnieX)

ArnieX

Arduino, PHP, C++
207
star
585
Ember Admin (@ember-admin)

ember-admin

JavaScript, Ruby
207
star
586
Přemysl Karbula (@smuuf)

smuuf

PHP, JavaScript, TypeScript
205
star
587
@noximo

noximo

PHP, JavaScript
205
star
588
@bain3

bain3

C++, Python, HTML
205
star
589
Vojtěch Kohout (@Tharos)

Tharos

PHP
205
star
590
Vojta Holik (@vojtaholik)

vojtaholik

JavaScript, TypeScript
204
star
591
Ondrej Lexa (@ondrolexa)

ondrolexa

Jupyter Notebook, Python, TeX
203
star
592
Mike (@MikeMeliz)

MikeMeliz

Python
203
star
593
@vikdevelop

vikdevelop

Python, JavaScript, C++
203
star
594
Marian Schubert (@maio)

maio

Emacs Lisp, JavaScript, Clojure
202
star
595
Ladislav Prskavec (@abtris)

abtris

PHP, JavaScript, Ruby
201
star
596
Pavel Kouřil (@pavelkouril)

pavelkouril

PHP, C#, GLSL
201
star
597
Datamole (@datamole-ai)

datamole-ai

Python, C#, Rust
201
star
598
Michal Zelinka (@username0x0a)

username0x0a

Swift, Objective-C, C
200
star
599
@shurizzle

shurizzle

Ruby, Rust, Elixir
200
star
600
Jan Bednařík (@JanBednarik)

JanBednarik

Python
200
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.