🇨🇿 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
201
Martin Janiczek (@Janiczek)

Janiczek

Elm, HTML, Clojure
521
star
202
Jan Ivanecky (@janivanecky)

janivanecky

Python, C, C++
520
star
203
@MartinD-CZ

MartinD-CZ

Makefile, C++, HTML
519
star
204
@Martyx00

Martyx00

Python, C++
512
star
205
BART! (@bartholomej)

bartholomej

TypeScript, JavaScript, HTML
512
star
206
Artem Manchenkov (@manchenkoff)

manchenkoff

Python, PHP, TypeScript
506
star
207
Yauhen Babakhin (@ybabakhin)

ybabakhin

Python, Jupyter Notebook
504
star
208
Vojta Stavik (@VojtaStavik)

VojtaStavik

Swift, Shell, JavaScript
502
star
209
Milos Kozak (@MilosKozak)

MilosKozak

Java
501
star
210
Martin Dráb (@MartinDrab)

MartinDrab

C, Pascal
499
star
211
Jakub Martyčák (@rusel1989)

rusel1989

Objective-C
496
star
212
Joan Bono (@joanbono)

joanbono

Go, Python, Shell
491
star
213
Jaromír (@jaromiru)

jaromiru

Python, MATLAB
491
star
214
Ondřej Švanda (@Papooch)

Papooch

TypeScript, OpenSCAD, Python
489
star
215
Adam Uhlíř (@AuHau)

AuHau

Python, JavaScript, TeX
487
star
216
Vít Starý Novotný (@Witiko)

Witiko

TeX, Python, Shell
484
star
217
Jakub Kinst (@jakubkinst)

jakubkinst

Java, PHP, JavaScript
480
star
218
Milan Pavlik (@easyCZ)

easyCZ

Go, JavaScript, TypeScript
480
star
219
Petr Viktorin (@encukou)

encukou

Python, C, OpenSCAD
475
star
220
Al (@aorumbayev)

aorumbayev

Python, JavaScript, C++
473
star
221
Dan Homola (@no23reason)

no23reason

TypeScript, JavaScript
469
star
222
@Kibo

Kibo

JavaScript, Java, Shell
467
star
223
Roman Samec (@rsamec)

rsamec

JavaScript, TypeScript, CSS
465
star
224
Vojtěch Jungmann (@EETagent)

EETagent

C, Rust, HTML
461
star
225
Dalibor Kundrat (@damikun)

damikun

TypeScript, C#
457
star
226
Zdenek Svoboda (@zsvoboda)

zsvoboda

Python, JavaScript, Jupyter Notebook
443
star
227
@kracejic

kracejic

CMake, CSS, Python
442
star
228
Michal Uřičář (@uricamic)

uricamic

Jupyter Notebook, SCSS, MATLAB
439
star
229
Ondřej Ondryáš (@ondryaso)

ondryaso

Python, C, Java
437
star
230
Radek Vít (@radekvit)

radekvit

Rust, C++
436
star
231
Martin Fleischmann (@martinfleis)

martinfleis

Jupyter Notebook, JavaScript, Python
435
star
232
Lubomir Rintel (@lkundrak)

lkundrak

C, Perl, Shell
433
star
233
Jonáš Kulhánek (@jkulhanek)

jkulhanek

Python, C, Haskell
432
star
234
Radek Podgorny (@rpodgorny)

rpodgorny

Python, C, Shell
427
star
235
Jiří Bětuňák (@KinDR007)

KinDR007

C++
426
star
236
Radek Kyselý (@kysely)

kysely

JavaScript, CoffeeScript, Jupyter Notebook
425
star
237
Bohumír Zámečník (@bzamecnik)

bzamecnik

Python, Java, C#
424
star
238
Vladan Kudláč (@kudlav)

kudlav

PHP, HTML, Kotlin
423
star
239
Honza Brázdil (@janinko)

janinko

Java, Pascal, Prolog
422
star
240
Rado Sohlich (@sohlich)

sohlich

Go, Java, TypeScript
421
star
241
Adam Heinrich (@adamheinrich)

adamheinrich

C, Makefile, Java
419
star
242
Michal Altair Valášek (@ridercz)

ridercz

C#, C++, OpenSCAD
418
star
243
Vojtech Ruzicka (@vojtechruz)

vojtechruz

Java, Python, MDX
415
star
244
Roman Peshkov (@rpeshkov)

rpeshkov

TypeScript, Shell, C
414
star
245
Jan Procházka (@jprochazk)

jprochazk

Rust, TypeScript, JavaScript
414
star
246
Miroslav Šulc (@fordfrog)

fordfrog

Java
413
star
247
Pavel S (@pilotak)

pilotak

C++, Python, C
413
star
248
Rikudou_Sage (@RikudouSage)

RikudouSage

PHP, QML, C++
413
star
249
Richard Sustek (@Enngage)

Enngage

TypeScript, CSS, JavaScript
411
star
250
Eugen Pechanec (@consp1racy)

consp1racy

Java, C#
410
star
251
Simon Podlipsky (@simPod)

simPod

PHP, TypeScript
408
star
252
Ondrej Sika (@ondrejsika)

ondrejsika

HCL, Python, Makefile
402
star
253
Jan Marek (@janmarek)

janmarek

PHP, JavaScript, Java
399
star
254
Ondřej Kupka (@tchap)

tchap

Go, Prolog, Shell
399
star
255
Pavel (@nadlabak)

nadlabak

C, Java, Python
398
star
256
Matej Knopp (@knopp)

knopp

Dart, Objective-C
396
star
257
Tomáš Souček (@soCzech)

soCzech

Python, TeX, Jupyter Notebook
395
star
258
Jan Blaha (@pofider)

pofider

JavaScript, C#
394
star
259
Jiri Hnidek (@jirihnidek)

jirihnidek

C, Python, JavaScript
393
star
260
Oleksandr Fediashov (@layershifter)

layershifter

JavaScript, PHP, TypeScript
391
star
261
Jan Tojnar (@jtojnar)

jtojnar

JavaScript, Python, Nix
390
star
262
Josef Richter (@josefrichter)

josefrichter

JavaScript, Ruby, CSS
387
star
263
Anton Gunov (@antongunov)

antongunov

JavaScript, Vue
386
star
264
Honza Bittner (@tenhobi)

tenhobi

Dart, TeX, C++
385
star
265
Roman Ožana (@OzzyCzech)

OzzyCzech

PHP, JavaScript, Shell
384
star
266
Josef Pospíšil (@pepe)

pepe

Ruby, JavaScript, HTML
379
star
267
Dmitry Hrabrov (@DeXP)

DeXP

C, Ren'Py, C#
378
star
268
Roman Jámbor (@Hookyns)

Hookyns

TypeScript, C#, JavaScript
377
star
269
Adam Svoboda (@IGPenguin)

IGPenguin

Kotlin, JavaScript, Java
375
star
270
František Milt (@TheLazyTomcat)

TheLazyTomcat

Pascal, Batchfile
375
star
271
Karel Vesely (@KarelVesely84)

KarelVesely84

Python
374
star
272
Alois Bělaška (@abelaska)

abelaska

JavaScript, Java, Perl
373
star
273
rtuna (@rtunazzz)

rtunazzz

Python, HTML, Go
373
star
274
Michal Čihař (@nijel)

nijel

Python, Shell, C
370
star
275
Martin Hub (@hubmartin)

hubmartin

C, Python, JavaScript
370
star
276
Radek Bartyzal (@BartyzalRadek)

BartyzalRadek

Jupyter Notebook, Python, TeX
369
star
277
Tomáš Karabela (@tkarabela)

tkarabela

Python, Jupyter Notebook, C++
366
star
278
Martin Chodur (@FUSAKLA)

FUSAKLA

Go, TypeScript, Ruby
364
star
279
Mikulas Dite (@Mikulas)

Mikulas

PHP, C, C++
363
star
280
Jovan Lanik (@jovanlanik)

jovanlanik

C, Lua, Shell
361
star
281
Michal Mroček (@mroczis)

mroczis

Java, Elm, Kotlin
361
star
282
Roman Krejčík (@farin)

farin

JavaScript, Vue, Python
360
star
283
Jiří Petruželka (@NoxArt)

NoxArt

Python, C++
357
star
284
Tomas Holas (@tomaash)

tomaash

JavaScript, Ruby, TypeScript
355
star
285
Jakub Nei (@JakubNei)

JakubNei

C#, SQF, C++
354
star
286
Daniel Suchý (@Nodonisko)

Nodonisko

TypeScript, JavaScript
354
star
287
Jiří Vrba (@jirkavrba)

jirkavrba

Java, Elixir, TypeScript
352
star
288
Matěj Šmíd (@smidm)

smidm

Python, C++, Jupyter Notebook
350
star
289
Lukáš Zapletal (@lzap)

lzap

Shell, Go, Ruby
350
star
290
Petr Marek (@mreq)

mreq

Python, JavaScript, CSS
350
star
291
Daniel Uhříček (@danielpoliakov)

danielpoliakov

C++, Python, Shell
349
star
292
Jirka Pinkas (@jirkapinkas)

jirkapinkas

Java, Shell, CSS
348
star
293
Marek Čermák (@CermakM)

CermakM

Python, JavaScript, C++
347
star
294
Vojtěch Vondra (@vvondra)

vvondra

JavaScript, Java, C#
343
star
295
Marek Sebera (@smarek)

smarek

Java, PHP, Python
342
star
296
Jakub Mikulas (@JackuB)

JackuB

JavaScript, HTML, Java
341
star
297
Jiri Pospisil (@jiripospisil)

jiripospisil

JavaScript, Java, Shell
340
star
298
Petr Houška (@petrroll)

petrroll

C#, Python, HTML
339
star
299
@Sanqui

Sanqui

Python, Assembly, TypeScript
338
star
300
Neitri (@netri)

netri

ShaderLab, Python, C#
336
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.