🇨🇿 Czechia Open Source Developers

The community of talented open source developers driving innovation and collaboration in the tech industry.

Developers

6,290

Organizations

839

Repositories

41,533

Top Rank

Shell, C, Lua

🇨🇿 Made in Czechia Compare with other countries 🌐 All countries
401
Pavel Zbytovský (@zbycz)

zbycz

PHP, HTML, JavaScript
241
star
402
Honza Břečka (@honzabrecka)

honzabrecka

JavaScript, Clojure, TypeScript
241
star
403
Dmitry Brazhenko (@dmitry-brazhenko)

dmitry-brazhenko

Python, Jupyter Notebook, C#
240
star
404
Kuba Andrýsek (@JakubAndrysek)

JakubAndrysek

Python, C++, C
239
star
405
Václav Chlumský (@vchlum)

vchlum

JavaScript, C++
238
star
406
Martin Sloup (@arcao)

arcao

Java, Kotlin, C++
238
star
407
Tomáš Konrády (@tommmyy)

tommmyy

JavaScript, HTML, Reason
238
star
408
Leonid Buneev (@leo-buneev)

leo-buneev

JavaScript
237
star
409
Martin Hujer (@mhujer)

mhujer

PHP, JavaScript, TypeScript
235
star
410
Robert Vojcik (@rvojcik)

rvojcik

Shell, Python
235
star
411
Jan Tesař (@tesar-tech)

tesar-tech

C#, HTML, MATLAB
235
star
412
Ondřej Caletka (@oskar456)

oskar456

Python, HTML, C
234
star
413
Petr Sedlacek (@piit79)

piit79

Python, Assembly, OpenSCAD
234
star
414
Martin Vit (@voipmonitor)

voipmonitor

C++, C
234
star
415
Robert Vojta (@zrzka)

zrzka

Objective-C, Shell, Python
233
star
416
Filip Troníček (@filiptronicek)

filiptronicek

JavaScript, Python, TypeScript
233
star
417
Pavel Procházka (@pajapro)

pajapro

Swift, Ruby
233
star
418
BlueBits (@bluebits-academy)

bluebits-academy

JavaScript, CSS, TypeScript
233
star
419
Ladi (@martincik)

martincik

Ruby, JavaScript, Objective-C
231
star
420
Oldes Huhuman (@Oldes)

Oldes

Rebol, C, Java
231
star
421
Samuel Dostál (@samodostal)

samodostal

Lua, C
231
star
422
Ales Zoulek (@aleszoulek)

aleszoulek

Python, HTML, Vim Script
230
star
423
Maguro (@FluffyMaguro)

FluffyMaguro

Python
229
star
424
František Řezníček (@freznicek)

freznicek

HTML, Shell, Java
229
star
425
Martin Kolarik (@mrkolarik)

mrkolarik

Python
228
star
426
Martin Lukasek (@mlukasek)

mlukasek

C++, ASP.NET, C#
227
star
427
Charalampos Kardaris (@ckardaris)

ckardaris

Shell
227
star
428
Filip Navara (@filipnavara)

filipnavara

C#, C
226
star
429
Roman Masek (@romario333)

romario333

Java, JavaScript, Ruby
225
star
430
@Dejvino

Dejvino

Java, C, CSS
225
star
431
@gtolias

gtolias

MATLAB, Python, C
224
star
432
Ken Mijime (@KeNaCo)

KeNaCo

Python
223
star
433
Jakub Lédl (@jakubledl)

jakubledl

PHP
223
star
434
Dan (@DanPristupov)

DanPristupov

C#, HTML
223
star
435
@PetraVidnerova

PetraVidnerova

Python, Jupyter Notebook
223
star
436
Tomáš Růžička (@djbozkosz)

djbozkosz

C++, Python
223
star
437
Jan Ringoš (@tringi)

tringi

C++, C
221
star
438
James Thistlewood (@jthistle)

jthistle

Python, JavaScript, Shell
221
star
439
Petr Švihlík (@petrsvihlik)

petrsvihlik

C#, HTML
221
star
440
David Spohr (@EskelCz)

EskelCz

Python, JavaScript
221
star
441
@VaanaCZ

VaanaCZ

C++
220
star
442
Ivan Novakov (@ivan-novakov)

ivan-novakov

PHP, Java, JavaScript
219
star
443
Petr Messner (@messa)

messa

Python, JavaScript, HTML
218
star
444
Pavel 'Strajk' Dolecek (@Strajk)

Strajk

JavaScript, HTML, Java
218
star
445
Indeed Miners (@IndeedMiners)

IndeedMiners

C#, C++
218
star
446
Bohuslav Šimek (@kambo-1st)

kambo-1st

PHP, C
217
star
447
Luis Beltran (@icebeam7)

icebeam7

C#, HTML, Python
216
star
448
Jakub Beneš (@jukben)

jukben

JavaScript, Shell, TypeScript
215
star
449
Michal Cichra (@mikz)

mikz

Ruby, JavaScript, Shell
215
star
450
Jakub Pavlík (@igneus)

igneus

Ruby, LilyPond, HTML
214
star
451
@Bystroushaak

Bystroushaak

Python, D, HTML
214
star
452
Vojtěch Hořánek (@vojta-horanek)

vojta-horanek

Java, C++, Kotlin
213
star
453
@oxiKKK

oxiKKK

C++, Python, ReScript
213
star
454
Pavol Hejný (@hejny)

hejny

TypeScript, JavaScript, HTML
213
star
455
Mike Vercoelen (@mikevercoelen)

mikevercoelen

JavaScript
212
star
456
Nick Jennings (@silverbucket)

silverbucket

JavaScript, TypeScript
212
star
457
Nicolas Williams (@tiredpixel)

tiredpixel

Ruby, Python, Haskell
212
star
458
Radek Zahradník (@KUTlime)

KUTlime

PowerShell, C#, C++
211
star
459
Pavol Babinčák‏ (@scrool)

scrool

Python, JavaScript
210
star
460
Matej Bransky (@MatejBransky)

MatejBransky

TypeScript, JavaScript, HTML
210
star
461
Jakub Bouček (@jakubboucek)

jakubboucek

PHP, JavaScript, HTML
210
star
462
Petr Onderka (@svick)

svick

C#, Python, PHP
209
star
463
Martin Miksik (@mamiksik)

mamiksik

TypeScript, C++, Kotlin
209
star
464
Jakub Švehla (@Svehla)

Svehla

TypeScript, JavaScript, Python
208
star
465
Radek Polak (@radekp)

radekp

C++, C, Elixir
208
star
466
Jiří Pinkava (@pinkavaj)

pinkavaj

C, Python, C++
207
star
467
Ianis Triandafilov (@hiquest)

hiquest

JavaScript, TypeScript, CoffeeScript
207
star
468
Martin Doubek (@ArnieX)

ArnieX

Arduino, PHP, C++
207
star
469
@noximo

noximo

PHP, JavaScript
205
star
470
Vojtěch Kohout (@Tharos)

Tharos

PHP
205
star
471
Přemysl Karbula (@smuuf)

smuuf

PHP, TypeScript, JavaScript
205
star
472
@bain3

bain3

C++, HTML, JavaScript
205
star
473
Vojta Holik (@vojtaholik)

vojtaholik

JavaScript, TypeScript
204
star
474
Ondrej Lexa (@ondrolexa)

ondrolexa

Jupyter Notebook, Python, Fortran
203
star
475
Mike (@MikeMeliz)

MikeMeliz

Python
203
star
476
@vikdevelop

vikdevelop

Python, JavaScript, C++
203
star
477
Marian Schubert (@maio)

maio

Emacs Lisp, JavaScript, Clojure
202
star
478
Ladislav Prskavec (@abtris)

abtris

PHP, JavaScript, Ruby
201
star
479
Pavel Kouřil (@pavelkouril)

pavelkouril

C#, GLSL, PHP
201
star
480
František Hába (@Baggz)

Baggz

JavaScript
200
star
481
Milan Matějček (@h4kuna)

h4kuna

PHP, PLpgSQL, JavaScript
200
star
482
Jan Bednařík (@JanBednarik)

JanBednarik

Python
200
star
483
Michal Zelinka (@username0x0a)

username0x0a

Swift, Objective-C, C++
200
star
484
@shurizzle

shurizzle

Ruby, Rust, Elixir
200
star
485
UUGear (@uugear)

uugear

Shell, C, JavaScript
199
star
486
Libor Novak (@libornovax)

libornovax

C++, Python, TeX
199
star
487
Petr Vavrin (@peterbay)

peterbay

Python, C, PHP
199
star
488
Lukáš Huvar (@huv1k)

huv1k

TypeScript, JavaScript, Shell
198
star
489
Richard Biely (@richardbiely)

richardbiely

C++, C#
198
star
490
Petr Hurtak (@Hurtak)

Hurtak

JavaScript, TypeScript, PHP
196
star
491
Sergey (@biblelamp)

biblelamp

Java, PHP, TypeScript
195
star
492
Michal Hlavac (@hlavki)

hlavki

Java, Groovy, Python
195
star
493
@volca02

volca02

C++, OpenSCAD, Python
195
star
494
Tomáš Bedřich (@tomasbedrich)

tomasbedrich

Python, Jupyter Notebook, JavaScript
194
star
495
Jiri Bilek (@JiriBilek)

JiriBilek

C++
194
star
496
Milan Svoboda (@tex)

tex

C++, Vim Script, Lua
194
star
497
Jana Moudrá (@Janamou)

Janamou

Dart, JavaScript, Java
193
star
498
Tomáš Glozar (@lenticularis39)

lenticularis39

C, C++, Shell
192
star
499
Marek Dědič (@marekdedic)

marekdedic

TypeScript, C++, Julia
192
star
500
Kate Miháliková (@katemihalikova)

katemihalikova

TypeScript, JavaScript
192
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.