🇨🇿 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

3001
Jindrich Sarson (@sarsonj)

sarsonj

Objective-C, Python, Ruby
14
star
3002
@Glutexo

Glutexo

Python, Ruby, JavaScript
14
star
3003
Peter (@petrmatula190)

petrmatula190

Shell
14
star
3004
@jkoncick

jkoncick

Pascal, C
14
star
3005
Radek Brůha (@radek-bruha)

radek-bruha

PHP, HTML
14
star
3006
Matyáš Skalický (@mskl)

mskl

Jupyter Notebook, C#, Shell
14
star
3007
Petr Valenta (@PetrValenta92)

PetrValenta92

HTML, CSS, JavaScript
14
star
3008
Jan Masopust (@masopust)

masopust

JavaScript, Jupyter Notebook, Python
14
star
3009
Jan Dostál (@JanDostal)

JanDostal

JavaScript, C#, MATLAB
14
star
3010
vprivalov (@vovaekb)

vovaekb

C++, Python, Kotlin
14
star
3011
Enterprise Data Hackathon (@hackathonBI)

hackathonBI

PLSQL
14
star
3012
Tomáš Drahoňovský (@t17dr)

t17dr

C++
14
star
3013
Rastislav Kopál (@rastislavkopal)

rastislavkopal

JavaScript, TypeScript, Jupyter Notebook
14
star
3014
Zdeněk Topič (@zdnk)

zdnk

Swift
14
star
3015
Viktor Bezdek (@viktorbezdek)

viktorbezdek

JavaScript, TypeScript
14
star
3016
Andrei Fidelman (@fidelman)

fidelman

JavaScript, OCaml
14
star
3017
Patrik Chadima (@Hy3n4)

Hy3n4

Python, JavaScript, PHP
14
star
3018
Martin Kozub (@zubozrout)

zubozrout

QML, C++
14
star
3019
Ilya Zabolotny (@Acex187x)

Acex187x

JavaScript, TypeScript
14
star
3020
Martin Picek (@mpicek)

mpicek

Jupyter Notebook, Python, C++
14
star
3021
Petr 'celestian' Čech (@celestian)

celestian

Python, JavaScript, C
14
star
3022
Lukáš Kasič (@lukasic)

lukasic

Python, Perl, Jinja
14
star
3023
Mirka Kolaříková (@miricinka)

miricinka

C, PHP, Java
14
star
3024
Dissident Networks Project (@DISSINET)

DISSINET

CSS, TypeScript, R
14
star
3025
@kocica

kocica

C++, C
14
star
3026
Kredenc Studio (@kredencstudio)

kredencstudio

Python
14
star
3027
Svitlana Hryshchuk (@murceca)

murceca

JavaScript, TypeScript, Handlebars
14
star
3028
Michal Tichý (@MichalTichy)

MichalTichy

C#, HTML, C
14
star
3029
Petr Sýkora (@glubo)

glubo

Python, C, Makefile
14
star
3030
Irina (@irina-petrovskaya)

irina-petrovskaya

Java, AspectJ
14
star
3031
Libor Mořkovský (@libor-m)

libor-m

Python, Java, R
14
star
3032
S1ro (@S1ro1)

S1ro1

Python, Assembly, Jupyter Notebook
14
star
3033
Šimon Rozsíval (@simonrozsival)

simonrozsival

C#, Python, Rust
14
star
3034
Jan Brezina (@jbrezmorf)

jbrezmorf

Python, TeX, Rich Text Format
14
star
3035
Marek Pistorius (@marekpistorius)

marekpistorius

C
14
star
3036
Václav 'ax' Hůla (@AxTheB)

AxTheB

Python, C, C++
14
star
3037
Jan Rádl (@himynameishonza)

himynameishonza

TypeScript, JavaScript
14
star
3038
Jenda Kolena (@jendakol)

jendakol

Rust, C++, AutoHotkey
14
star
3039
Viktor Rudi (@viktorrudi)

viktorrudi

JavaScript, TypeScript, PHP
14
star
3040
Jan Žaloudek (@janzal)

janzal

JavaScript, C++, Java
14
star
3041
Andreas Gajdosik (@agajdosi)

agajdosi

HTML, Go, Shell
14
star
3042
Yuriy Shkraba (@Shkraba)

Shkraba

14
star
3043
Daniyar (@daniyarka03)

daniyarka03

PHP, JavaScript, Java
14
star
3044
Railsformers (@railsformers)

railsformers

Ruby, CSS
14
star
3045
Vladimír Schreiner (@vladoschreiner)

vladoschreiner

Java, PHP, C++
14
star
3046
Tomáš Mikula (@mikulatomas)

mikulatomas

Python
14
star
3047
Pavel Vavruška (@PavelVavruska)

PavelVavruska

Java, Rust, Python
14
star
3048
Tomáš Pecina (@tompecina)

tompecina

Java, Python
14
star
3049
@Leem0sh

Leem0sh

Python
14
star
3050
Bolidozor (@bolidozor)

bolidozor

Python, TeX, Java
14
star
3051
David Kurzica (@xplayerCZ)

xplayerCZ

Kotlin, Python, JavaScript
14
star
3052
Marek Tamaskovic (@marektamaskovic)

marektamaskovic

C++
14
star
3053
Andrej Souček (@andrejsoucek)

andrejsoucek

Go, TypeScript, JavaScript
14
star
3054
N3ttX (@ApplePie420)

ApplePie420

Python, JavaScript, CSS
14
star
3055
The Potato Chronicler (@ThePotatoChronicler)

ThePotatoChronicler

TypeScript, JavaScript, Java
14
star
3056
K*A*N*A*R*C*I (@kanarci)

kanarci

Java
14
star
3057
Timur (@webdeveloper0012)

webdeveloper0012

JavaScript, Java, Go
13
star
3058
Lukáš Havrlant (@lukashavrlant)

lukashavrlant

Python, PHP, C#
13
star
3059
Martin Saidl (@saidlm)

saidlm

OpenSCAD, Shell, C++
13
star
3060
Lukáš Kosař (@kosarlukascz)

kosarlukascz

PHP
13
star
3061
Tomáš Havlík (@tomires)

tomires

JavaScript, C#
13
star
3062
Jan Kriz (@JKKross)

JKKross

Swift
13
star
3063
Milan "Ventil" Toman (@ventillo)

ventillo

Python, JavaScript
13
star
3064
Jiri Jaros (@jarosjir)

jarosjir

C++
13
star
3065
Patrick Kusebauch (@patrickkusebauch)

patrickkusebauch

PHP, Python, HTML
13
star
3066
Miroslav Rudišin (@miero)

miero

C, Shell
13
star
3067
Jan Musílek (@stinovlas)

stinovlas

Python, OpenSCAD
13
star
3068
Juraj Ďurech (@hvge)

hvge

C++, Objective-C
13
star
3069
Petr Hanák (@petrhanak)

petrhanak

JavaScript, TypeScript
13
star
3070
David Pohan (@pohy)

pohy

JavaScript, TypeScript, GDScript
13
star
3071
Roman Hubacek (@bvr)

bvr

Perl, CSS, Lua
13
star
3072
Jonáš Trantina (@Coffei)

Coffei

JavaScript, Emacs Lisp, Java
13
star
3073
Tomas Lucovic (@tocas)

tocas

Ruby, Java, C++
13
star
3074
Filip Klimes (@klimesf)

klimesf

Java, JavaScript, Python
13
star
3075
Jakub Kontra (@JakubKontra)

JakubKontra

TypeScript
13
star
3076
Emanuel Buzek (@ebuzek)

ebuzek

Vue
13
star
3077
Modern Entrepreneur s.r.o. (@modpreneur)

modpreneur

PHP, HTML, CSS
13
star
3078
Lukas Korous (@l-korous)

l-korous

C++
13
star
3079
David Hrachovy (@dayweek)

dayweek

JavaScript, Objective-C, C++
13
star
3080
Rove Monteux (@rovemonteux)

rovemonteux

Java, Lua, Ruby
13
star
3081
Matous Holinka (@Bralor)

Bralor

Python, Jupyter Notebook
13
star
3082
Ing. Jan Kaláb (@Pitel)

Pitel

Java, C, JavaScript
13
star
3083
Deni (@justADeni)

justADeni

Java, Kotlin
13
star
3084
Tomas Husak (@TomatorCZ)

TomatorCZ

C#, HTML
13
star
3085
Zvolský (@zvolsky)

zvolsky

Python
13
star
3086
David Mraz (@a7v8x)

a7v8x

13
star
3087
Petr Styblo (@styblope)

styblope

Zig, Shell, Go
13
star
3088
Michal Kučera (@aellopos)

aellopos

HTML, JavaScript
13
star
3089
Bob Stalmach (@bob983)

bob983

JavaScript
13
star
3090
Tibor Kubik (@tiborkubik)

tiborkubik

Python
13
star
3091
Marek Spiska (@spiska)

spiska

TypeScript, Vue, HTML
13
star
3092
josef podany (@jsfpdn)

jsfpdn

Zig, Rust, Shell
13
star
3093
Slavo Kozar (@slavokozar)

slavokozar

Astro, C, HTML
13
star
3094
Stepan Roucka (@rouckas)

rouckas

C++, Jupyter Notebook, Python
13
star
3095
Martin Rychlovsky (@masak2009)

masak2009

Ruby
13
star
3096
Erik Cupal (@ErikCupal)

ErikCupal

JavaScript, TypeScript, Kotlin
13
star
3097
Danny (@NinjaOnRails)

NinjaOnRails

JavaScript, Python
13
star
3098
Zdenek Kostal (@zdenekkostal)

zdenekkostal

JavaScript, Lua
13
star
3099
Jindra Hejlik (@jhejlik)

jhejlik

HTML, CSS
13
star
3100
@lagurus

lagurus

C
13
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.