🇨🇿 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
801
Frederik Hudák (@FreHu)

FreHu

ABAP
95
star
802
Michal Janočko (@michaljanocko)

michaljanocko

TypeScript, Shell, Elixir
95
star
803
Filip Prochazka (@filipproch)

filipproch

HTML, Java, C++
95
star
804
Adam Ernst Bisek (@adambisek)

adambisek

PHP, JavaScript
95
star
805
Vojtěch Balák (@Remedan)

Remedan

Haskell, Python, Nix
95
star
806
David Timovski (@davidtimovski)

davidtimovski

C#, TypeScript, HTML
95
star
807
Vojtech Kral (@vojtechkral)

vojtechkral

Rust, JavaScript, C++
94
star
808
Jakub Vysoký (@kvbik)

kvbik

Python, HTML, Processing
94
star
809
Michal Štefaňák (@stefanak-michal)

stefanak-michal

PHP, TypeScript, C#
94
star
810
Jan Votava (@janvotava)

janvotava

JavaScript, Shell, C++
94
star
811
Vašek Purchart (@VasekPurchart)

VasekPurchart

PHP, Java
94
star
812
Daniel Bulant (@danbulant)

danbulant

JavaScript, Svelte, Rust
93
star
813
Kamil Dudka (@kdudka)

kdudka

C++, C, Python
93
star
814
DK (@Dimentium)

Dimentium

Ruby
93
star
815
@HelloOO7

HelloOO7

Java, C, C++
93
star
816
Jan Hrcek (@jhrcek)

jhrcek

Elm, Haskell, Java
93
star
817
Dennis Fridrich (@dfridrich)

dfridrich

PHP, CSS
92
star
818
Josef Zamrzla (@josefzamrzla)

josefzamrzla

JavaScript, C++, PHP
92
star
819
Dmitry Polovka (@message)

message

PHP, JavaScript, CSS
92
star
820
Igor (@iricigor)

iricigor

PowerShell, Python
92
star
821
Tomas Hermanek (@hermanekt)

hermanekt

Shell, Python, PowerShell
92
star
822
Vlasta Vesely (@vlastavesely)

vlastavesely

C, CSS, C++
92
star
823
Jan Kundrát (@jktjkt)

jktjkt

C, C++
92
star
824
Martin Suchan (@martinsuchan)

martinsuchan

C#, HTML, PowerShell
92
star
825
Vlastimil Šenfeld (@bobesa)

bobesa

Go, Haskell, JavaScript
92
star
826
Marcos Moura (@marcosmoura)

marcosmoura

JavaScript, ApacheConf, TypeScript
92
star
827
@Sklyvan

Sklyvan

Python, C, Jupyter Notebook
91
star
828
Tomáš Gavenčiak (@gavento)

gavento

Python, Rust, TeX
91
star
829
Lukáš Fryč (@lfryc)

lfryc

Java, JavaScript, CSS
91
star
830
Jan Walter (@jnwltr)

jnwltr

TypeScript
91
star
831
Jan Vince (@jan-vince)

jan-vince

PHP, CSS
91
star
832
Ondřej Golasowski (@andreondra)

andreondra

Python, C++, SystemVerilog
91
star
833
@MatejMrozek

MatejMrozek

91
star
834
Martin Brychta (@SirPole)

SirPole

Java, TypeScript, JavaScript
90
star
835
Jiří Prokop (@synaptiko)

synaptiko

JavaScript, Shell, Lua
90
star
836
Milada (@miladamilli)

miladamilli

Elixir
90
star
837
Václav Zeman (@vaclav-zeman)

vaclav-zeman

JavaScript
90
star
838
Filip Chalupa (@FilipChalupa)

FilipChalupa

TypeScript, JavaScript, HTML
90
star
839
Ondrej Petrzilka (@OndrejPetrzilka)

OndrejPetrzilka

C#
89
star
840
Igor Raits (@ignatenkobrain)

ignatenkobrain

Python, Shell, C
89
star
841
Mikoláš Stuchlík (@mikolasstuchlik)

mikolasstuchlik

Swift, C, Shell
89
star
842
Maksym Balatsko (@mbalatsko)

mbalatsko

Python, Jupyter Notebook
89
star
843
Tomáš Musil (@tomasmcz)

tomasmcz

TeX, Python, Haskell
88
star
844
Steven Inskip (@SkippyZA)

SkippyZA

JavaScript, Ruby, Go
88
star
845
Jozef Hartinger (@jharting)

jharting

Java, Python
88
star
846
Filip Vincůrek (@vincurekf)

vincurekf

JavaScript, HTML
88
star
847
Karel Piwko (@kpiwko)

kpiwko

Java, JavaScript, TypeScript
88
star
848
Martin Wišo (@tgrk)

tgrk

Erlang, Elixir, Haskell
88
star
849
Marek Aufart (@aufi)

aufi

Ruby, Shell, JavaScript
87
star
850
Marek Maskarinec (@marekmaskarinec)

marekmaskarinec

C, Go, Common Lisp
87
star
851
Konstantin (@code-of-kpp)

code-of-kpp

Python, C++, Shell
87
star
852
Lumír 'Frenzy' Balhar (@frenzymadness)

frenzymadness

Python, HTML, C
87
star
853
David Pavlík (@xxdavid)

xxdavid

Python, PHP, JavaScript
87
star
854
Jiří Staněk (@stanekTM)

stanekTM

C++, C
87
star
855
Konstantinos Drakonakis (@kostasdrakonakis)

kostasdrakonakis

Kotlin, Java, Groovy
87
star
856
David Jetelina (@djetelina)

djetelina

Python, Shell
87
star
857
Jan Špaček (@honzasp)

honzasp

Rust, Ruby, Haskell
86
star
858
ハンジ・ゾエ (@HangeZoe)

HangeZoe

Python, JavaScript, HTML
86
star
859
@Czechball

Czechball

Shell, Makefile, C
86
star
860
Jan Gaura (@geordi)

geordi

Python, TeX, Jupyter Notebook
86
star
861
Poutnik (@poutnikl)

poutnikl

Shell
86
star
862
Jakub Rak (@KrabCode)

KrabCode

Java, JavaScript, Processing
86
star
863
Pavel Ryžov (@paulrzcz)

paulrzcz

Haskell, Go, TeX
86
star
864
Honza S. Copak (@octopusengine)

octopusengine

Python, C++, JavaScript
86
star
865
Alexandre Mantovani Tavares (@AlTavares)

AlTavares

Swift, Go, JavaScript
86
star
866
@megmage

megmage

JavaScript
86
star
867
Aleh Filipovich (@afilipovich)

afilipovich

Python
86
star
868
Ales Stibal (@astibal)

astibal

Python, C++, HTML
85
star
869
Petr Vraník (@konikvranik)

konikvranik

Java, Python, C++
85
star
870
Marek Příhoda (@maprihoda)

maprihoda

Python, Ruby, Shell
85
star
871
Halász Dávid (@skateman)

skateman

Ruby, JavaScript, Dockerfile
85
star
872
Jaroslav Meloun (@jarnik)

jarnik

C#, Haxe, Python
85
star
873
Roman Hosek (@hosek)

hosek

Arduino, Java
85
star
874
Amar Mesic (@amarmesic)

amarmesic

C#, Shell
84
star
875
Jan Šedivý (@jansedivy)

jansedivy

C++, Vim Script, JavaScript
84
star
876
Jan Stawarczyk (@jstawarczyk)

jstawarczyk

84
star
877
Štefan Prokop (@stefanprokopdev)

stefanprokopdev

TypeScript, HTML, C++
84
star
878
Marek Pridal (@marekpridal)

marekpridal

Swift
83
star
879
Robert Haken (@hakenr)

hakenr

C#, HTML
83
star
880
Sam (@SamCZ)

SamCZ

C++, Java, C#
83
star
881
Ondřej Plšek (@ondrs)

ondrs

PHP, JavaScript, Clojure
83
star
882
GGorAA (@ggoraa)

ggoraa

Rust, Swift, Kotlin
83
star
883
Lukáš Marek (@krtek)

krtek

Java, JavaScript, Groovy
83
star
884
Zdenek Polach (@polachz)

polachz

PowerShell, Shell, Python
83
star
885
Marián Hlaváč (@marianhlavac)

marianhlavac

Python, C++, CSS
82
star
886
Ondřej Bartas (@ondrejbartas)

ondrejbartas

Ruby, JavaScript
82
star
887
Vít Zaoral (@vitzaoral)

vitzaoral

C++, Kotlin
82
star
888
David Matějka (@matej21)

matej21

PHP, Java, HTML
82
star
889
Samuel Štancl (@stancl)

stancl

PHP, HTML, Blade
82
star
890
Petr (@psfinaki)

psfinaki

F#
81
star
891
Sergey (@Scogun)

Scogun

Kotlin, C#, Java
81
star
892
Honza Hommer (@honzahommer)

honzahommer

JavaScript, Shell, Dockerfile
81
star
893
Jan Stránský (@stranskyjan)

stranskyjan

Python, TeX
81
star
894
Ondřej Profant (@Kedrigern)

Kedrigern

PHP, HTML, C#
81
star
895
Dennis Pražák (@sorashi)

sorashi

C#, TeX, PowerShell
81
star
896
Viktor (@vixh)

vixh

Python
80
star
897
Gabriel Gilini (@gabrielgilini)

gabrielgilini

JavaScript, PHP, Shell
80
star
898
Pavel Trutman (@PavelTrutman)

PavelTrutman

MATLAB, Python, TeX
80
star
899
Martin Jablečník (@mjablecnik)

mjablecnik

Dart, GDScript, Python
80
star
900
Jindřich Ivánek (@jindraivanek)

jindraivanek

F#, Python, C
80
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.