🇨🇿 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

3301
Martin Janský (@Fastmancz)

Fastmancz

SourcePawn
12
star
3302
Jiri Krizek (@JiriKrizek)

JiriKrizek

Ruby, JavaScript
12
star
3303
Radiant System Group (@RadiantSystem)

RadiantSystem

Perl
12
star
3304
Czech Association for Effective Altruism (@ea-czech-republic)

ea-czech-republic

Python, CSS
12
star
3305
Milan Sorm (@milsorm)

milsorm

Perl, PHP
11
star
3306
Martin Matyášek (@matyama)

matyama

Rust, Python, Jupyter Notebook
11
star
3307
Simon Štefunko (@HalfDeadPie)

HalfDeadPie

Python, C++
11
star
3308
Michal Bubílek (@bubilem)

bubilem

PHP, SCSS, Java
11
star
3309
Vojtech Trefny (@vojtechtrefny)

vojtechtrefny

Python, C
11
star
3310
@nixi-awoo

nixi-awoo

CSS, Lua, HTML
11
star
3311
René Krell (@rkrell)

rkrell

C
11
star
3312
Stanislav Král (@topnax)

topnax

Python, C#, Kotlin
11
star
3313
Jan Malý (@honzaMaly)

honzaMaly

Java, Jupyter Notebook
11
star
3314
Moisés Guimarães de Medeiros (@moisesguimaraes)

moisesguimaraes

Python, HTML, SCSS
11
star
3315
Tomas Palider (DJTommek) (@DJTommek)

DJTommek

PHP
11
star
3316
Ondrej Vosta (@OndreVo)

OndreVo

TypeScript
11
star
3317
Robert (@regorov)

regorov

Go
11
star
3318
Stanislav Nechutný (@nechutny)

nechutny

Shell, JavaScript, Makefile
11
star
3319
Qore Technologies, s.r.o. (@qoretechnologies)

qoretechnologies

TypeScript
11
star
3320
Jan Cajthaml (@jancajthaml)

jancajthaml

Java, Scala
11
star
3321
@sadovsf

sadovsf

Rust, JavaScript
11
star
3322
Ondrej Janacek (@ojanacek)

ojanacek

C#
11
star
3323
Zdenek Obst (@zdenda-online)

zdenda-online

11
star
3324
Dominik Vít (@KingDoxik)

KingDoxik

TypeScript, JavaScript, C#
11
star
3325
Petr Bergmann (@bergmpet)

bergmpet

Python
11
star
3326
Dmitry Kochubey (@uid17)

uid17

C
11
star
3327
BakalabOrg (@bakalaborg)

bakalaborg

Java, HTML
11
star
3328
Libor Spevak (@lspevak)

lspevak

Shell
11
star
3329
Patrik Szewczyk (@ThePatriczek)

ThePatriczek

TypeScript, Java
11
star
3330
Borek Lupoměský (@borekl)

borekl

Perl
11
star
3331
Pavel Löbl (@loblik)

loblik

Python, C, GSC
11
star
3332
Josef Hovad (@jhovad)

jhovad

Ruby
11
star
3333
Marat M. (@MaltcevMS)

MaltcevMS

C#
11
star
3334
Evgeny Nasretdinov (@EvgenyNasretdinov)

EvgenyNasretdinov

TypeScript, JavaScript
11
star
3335
Maciej Zbigniew Gojny (@patapik)

patapik

C, Assembly
11
star
3336
David Hasek (@davidhasek1)

davidhasek1

JavaScript, HTML, TypeScript
11
star
3337
VojtaN (@xnekv03)

xnekv03

PHP
11
star
3338
Jan Forman (@janforman)

janforman

PHP, C++, JavaScript
11
star
3339
Martin Kološ (@XyhwX)

XyhwX

Mathematica
11
star
3340
Dmytro Kudryavtsev (@dimaKudr)

dimaKudr

C#
11
star
3341
Egor Greb (@JustTheWord)

JustTheWord

Shell, PHP, Python
11
star
3342
Lenka N. (@NikoLenCZ)

NikoLenCZ

HTML, JavaScript, CSS
11
star
3343
Jozef Hruška (@jozefhruska)

jozefhruska

TypeScript, C, TeX
11
star
3344
CAS FAMU (@CAS-FAMU)

CAS-FAMU

Ruby, Pure Data, CoffeeScript
11
star
3345
Vojtech Letal (@letalvoj)

letalvoj

Scala, Kotlin, Shell
11
star
3346
U+_ (@usertech)

usertech

Shell, HCL
11
star
3347
Tomas 'Sheldon' Radej (@tradej)

tradej

Python, CSS, C
11
star
3348
Dmitrii Bocharov (@bdshadow)

bdshadow

Java, Dart
11
star
3349
Lukáš Brchl (@lukasbrchl)

lukasbrchl

Java, C++, TeX
11
star
3350
Ondřej Mokrý (@ondrejmokry)

ondrejmokry

MATLAB
11
star
3351
Marek Libra (@mareklibra)

mareklibra

JavaScript, TypeScript
11
star
3352
Michal Gajdos (@mgajdos)

mgajdos

Java
11
star
3353
Bernadette Maryan Rostenkowski (@rostenkowski)

rostenkowski

PHP
11
star
3354
Jan Kluj (@Honkl)

Honkl

Python
11
star
3355
Fran Martinez (@fran-martinez)

fran-martinez

Python
11
star
3356
Kryštof Řeháček (@Krystofee)

Krystofee

JavaScript, Python
11
star
3357
@ladislavb

ladislavb

Ruby
11
star
3358
Martin Hejtmanek (@hejtmii)

hejtmii

11
star
3359
Tomas Formanek (@formanektomas)

formanektomas

R
11
star
3360
Karel Koudelka (@kkoudelka)

kkoudelka

TypeScript, Java
11
star
3361
Martin (@margru)

margru

11
star
3362
Karel Rejthar (@rejcom)

rejcom

11
star
3363
Jakub Jindra (@jindraj)

jindraj

Shell
11
star
3364
@xxlukas42

xxlukas42

C, Python
11
star
3365
@ventraks

ventraks

Lua
11
star
3366
HTTP Response 451 (IETF Hackathon) (@451hackathon)

451hackathon

PHP
11
star
3367
Matthew Durajka (@squishyu)

squishyu

Dockerfile, C, JavaScript
11
star
3368
Centrum Holdings (@centrumholdings)

centrumholdings

Python
11
star
3369
Jan Zajic (@jan-zajic)

jan-zajic

Java
11
star
3370
Ondřej Budai (@ondrejbudai)

ondrejbudai

C++, Dockerfile, PHP
11
star
3371
Jakub Krčma (@jkrcma)

jkrcma

JavaScript, Python, Shell
11
star
3372
Lubomír Žižka (@jelazi)

jelazi

Dart, Kotlin, Java
11
star
3373
Vašek Lorenc (@valorcz)

valorcz

Python, Shell
11
star
3374
DELTA - Projects (@DeltaHelpDesk)

DeltaHelpDesk

TypeScript
11
star
3375
Petr Ježek (@Sph3ricalPeter)

Sph3ricalPeter

Shell, Java, TypeScript
11
star
3376
Beda Kosata (@beda42)

beda42

JavaScript
11
star
3377
Vojtěch Kozák (@kozakvoj)

kozakvoj

JavaScript
11
star
3378
Adrian Sims (@Ams627)

Ams627

C#, C++
11
star
3379
@PrimeHammer

PrimeHammer

Shell, Elixir, Ruby
11
star
3380
Dmitriy Stremkovskiy (@mitroko)

mitroko

Python, PHP
11
star
3381
Tomáš Mark (@tomasmark79)

tomasmark79

C++, Python, C
11
star
3382
Standa Kuřík (@skurik)

skurik

C#, Go
11
star
3383
Peter Absolon (@Peterabsolon)

Peterabsolon

TypeScript
11
star
3384
Jiří Vít (@JiriVit)

JiriVit

C
11
star
3385
Jindra Zak (@jindrazak)

jindrazak

Elm, Go, CSS
11
star
3386
Syntea (@Syntea)

Syntea

Java
11
star
3387
Tomáš Lipovský (@lipov3cz3k)

lipov3cz3k

C++, JavaScript
11
star
3388
Jan Górecki (@gorecki)

gorecki

MATLAB
11
star
3389
Daniel Zikmund (@DZetko)

DZetko

C#
11
star
3390
Adam Činčura (@Ciselnak)

Ciselnak

C++
11
star
3391
Martin Styk (@StykMartin)

StykMartin

Python
11
star
3392
Národní filmový archiv (@NFAcz)

NFAcz

Python, C++
11
star
3393
SWEHQ (@swehq)

swehq

11
star
3394
Maria Shalverchuk (@Remadays)

Remadays

HTML
11
star
3395
Denis Cappelini (@Deniscapp)

Deniscapp

JavaScript
11
star
3396
Michael Konečný (@michaelkonecny)

michaelkonecny

C++, C#
11
star
3397
Litovel MINICUP (@litovel-minicup)

litovel-minicup

Vue, TSQL, Python
11
star
3398
Ryan Hefner (@rhefner1)

rhefner1

Python, Shell
11
star
3399
James Indrák (@Ten-James)

Ten-James

C, TypeScript, Kotlin
11
star
3400
Jan Šedivý (@honzaseda)

honzaseda

C++, Java
11
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
 		24
C++
 		26
Rust
 		26

* More analytics for signed in users.