🇨🇿 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

701
Fran González (@sleepyfran)

sleepyfran

F#, C#, Rust
159
star
702
Udger s.r.o. (@udger)

udger

C#, Java, PHP
158
star
703
Jakub Kadlčík (@FrostyX)

FrostyX

Python, Emacs Lisp, TeX
158
star
704
@petrkeil

petrkeil

HTML, R, JavaScript
157
star
705
Jiri Benc (@jbenc)

jbenc

C, Shell, Python
156
star
706
Petr Nikolas Prokop (@PetrNikolas)

PetrNikolas

JavaScript, TypeScript, CSS
156
star
707
Petr Štetiar (@ynezz)

ynezz

C, Lua, C++
156
star
708
Bakaláři API (@bakalari-api)

bakalari-api

PHP, Python
156
star
709
Petr Pivoňka (@BigBang1112)

BigBang1112

C#, C++, Lua
155
star
710
@ibv

ibv

Pascal, Python
155
star
711
Václav Dohnal (@illagrenan)

illagrenan

Python, TeX, Shell
155
star
712
Miroslav Šustek (@sustmi)

sustmi

JavaScript, C, C++
155
star
713
@naraesk

naraesk

QML, TeX, C++
155
star
714
Oleksandr Natalenko (@pfactum)

pfactum

155
star
715
Applifting s.r.o. (@Applifting)

Applifting

TypeScript, Ruby, Python
154
star
716
Daniel Soutner (@dansoutner)

dansoutner

Python, JavaScript
154
star
717
David Poslušný (@itsDaiton)

itsDaiton

JavaScript, Java, Python
154
star
718
Gabriele (@gabrielepalma)

gabrielepalma

Swift
154
star
719
Tomas Langer (@tomas-langer)

tomas-langer

Java
152
star
720
Radek Lát (@radeklat)

radeklat

Python, Shell, Dart
152
star
721
Pavel Polívka (@PavlikPolivka)

PavlikPolivka

JavaScript, Java, Kotlin
151
star
722
chyfil (@filchy)

filchy

Python
151
star
723
Mikhail Zakharov (@mezantrop)

mezantrop

C, Python, Shell
151
star
724
SKOUMAL (@skoumalcz)

skoumalcz

Java, Kotlin, C++
150
star
725
Tadeas Uhlir (@Rahlir)

Rahlir

Python, AppleScript, JavaScript
150
star
726
Victor Marques (@victor-am)

victor-am

JavaScript, Elixir, Ruby
150
star
727
@veny

veny

Ruby, Java, JavaScript
149
star
728
Filip Bartoš (@FilipBartos)

FilipBartos

HTML, JavaScript
149
star
729
Vaclav Bartacek (@vbartacek)

vbartacek

Java, C
149
star
730
Vladyslav Horbachov (@LeftTwixWand)

LeftTwixWand

C#, JavaScript, CSS
148
star
731
∫ ∪ ∧∴ ∋ ∈ ⊇ ∧ (@Sumbera)

Sumbera

Objective-C, JavaScript, C
147
star
732
cURLy bOi (@curlyboi)

curlyboi

C#, PHP, C
147
star
733
Viktor De Pasquale (@diareuse)

diareuse

Kotlin, Vue
147
star
734
Alexey Gladkov (@legionus)

legionus

C, Shell, Go
146
star
735
Ondřej Plátek (@oplatek)

oplatek

Python, C++, Objective-C
146
star
736
Martin Lukeš (@meridius)

meridius

Shell, PHP
146
star
737
ALT Linux Team (@altlinux)

altlinux

Shell, C++, Ruby
146
star
738
Jakub Chábek (@grongor)

grongor

Go, Python, PHP
146
star
739
elision.design (@elisiondesign)

elisiondesign

JavaScript, Vue, HTML
145
star
740
Josef Jadrny (@josefjadrny)

josefjadrny

JavaScript, TypeScript
145
star
741
Sergei Silnov (@kumekay)

kumekay

Ruby, C++, Python
145
star
742
Michal Jenicek (@kotoMJ)

kotoMJ

Kotlin, Java, JavaScript
145
star
743
David Honzátko (@DawyD)

DawyD

Jupyter Notebook, Python, C
145
star
744
@blocshop

blocshop

Java, C#, Objective-C
144
star
745
Petr Bouda (@petrbouda)

petrbouda

Java
144
star
746
Pavel Zak (@izakpavel)

izakpavel

Swift, Python, SCSS
144
star
747
Aleš Najmann (@littleli)

littleli

PowerShell, Java, Arduino
144
star
748
Michal Šimonfy (@virae)

virae

JavaScript
144
star
749
Jakub Knejzlík (@jakubknejzlik)

jakubknejzlik

JavaScript, Objective-C, Go
144
star
750
Yuri Nezdemkovski (@nezdemkovski)

nezdemkovski

JavaScript, TypeScript
143
star
751
Martin Kavík (@MartinKavik)

MartinKavik

Rust, Elm, C++
143
star
752
@kyngs

kyngs

Java
143
star
753
amagical.net (@amagical-net)

amagical-net

Ruby, Perl
143
star
754
Vladimír Petrík (@petrikvladimir)

petrikvladimir

Python, Rust
143
star
755
Petr Introvic (@intik)

intik

Kotlin
142
star
756
Jan Bednář (@Creeperface01)

Creeperface01

Kotlin, Java, PHP
142
star
757
Jan Tvrdík (@JanTvrdik)

JanTvrdik

PHP, Scala, JavaScript
142
star
758
FlowerChecker (@flowerchecker)

flowerchecker

Python
142
star
759
Zdeněk Gromnica (@FutureMillennium)

FutureMillennium

JavaScript, C#, HTML
141
star
760
Martin Hradil (@himdel)

himdel

C, Python, Ruby
141
star
761
Michal Vavra (@michalvavra)

michalvavra

Rust, TypeScript, JavaScript
141
star
762
Petr Polášek (@MR-DOS)

MR-DOS

C, AGS Script
140
star
763
Michal Dúbravčík (@dubravcik)

dubravcik

Python, PowerShell
140
star
764
Alex Rembish (@rembish)

rembish

Python, PHP, JavaScript
140
star
765
Matej Simek (@enzy)

enzy

JavaScript, C++, Java
140
star
766
Ondřej Mirtes (@ondrejmirtes)

ondrejmirtes

PHP, Objective-C, JavaScript
140
star
767
Jaromir Hamala (@jerrinot)

jerrinot

Java, Go
139
star
768
Duomly - Programming online courses (@Duomly)

Duomly

TypeScript, JavaScript, Go
139
star
769
Learning by Doing (@Learn-by-doing)

Learn-by-doing

JavaScript, HTML
139
star
770
Ladislav Marek (@lm)

lm

Smalltalk, Swift, C
139
star
771
Pavel Savara (@pavelsavara)

pavelsavara

C#, CSS, WebAssembly
139
star
772
Viktor Stískala (@ViktorStiskala)

ViktorStiskala

Python, Jinja, PHP
138
star
773
PeckaDesign (@peckadesign)

peckadesign

PHP, TypeScript, CSS
138
star
774
Recombee (@recombee)

recombee

Python, C#, JavaScript
138
star
775
Radek Adamec (@adamecr)

adamecr

C#
137
star
776
Vojtech Pavlovsky (@vaetas)

vaetas

Dart, C++, HTML
137
star
777
Miroslav Zuzelka (@dronecz)

dronecz

C++, C
137
star
778
Joint research lab of Czech Technical University in Prague and Avast (@CTUAvastLab)

CTUAvastLab

Julia
137
star
779
@zlosynth

zlosynth

Rust, Shell
136
star
780
M0N7Y5 (@M0n7y5)

M0n7y5

Beef, C#, C
136
star
781
Golang.cz (@golang-cz)

golang-cz

Go, TypeScript, Dockerfile
136
star
782
Michal Kočárek (@michal-kocarek)

michal-kocarek

PHP, JavaScript, TypeScript
136
star
783
Tomas Fryza (@tomas-fryza)

tomas-fryza

C, Tcl, C++
136
star
784
Rastislav Švarba (@ra100)

ra100

JavaScript, Python, Lua
136
star
785
Chris Kottom (@chriskottom)

chriskottom

Ruby, Shell, JavaScript
136
star
786
Vadim Grinco (@grinco)

grinco

Shell, Python, Dockerfile
136
star
787
Éttore Leandro Tognoli (@ettoreleandrotognoli)

ettoreleandrotognoli

Python, PHP, Verilog
136
star
788
Artificial Intelligence Center (@aicenter)

aicenter

Julia, Python, Java
136
star
789
Rostislav Sacek (@sacek)

sacek

Lua, C
135
star
790
@ESK0

ESK0

SourcePawn
135
star
791
Borek Bernard (@borekb)

borekb

TypeScript, JavaScript, HTML
135
star
792
tcp cloud (@tcpcloud)

tcpcloud

Shell, Python, Perl
135
star
793
Felix (@Kubenew)

Kubenew

Python, Shell, PHP
134
star
794
Josef (@vacekj)

vacekj

TypeScript, Rust, JavaScript
134
star
795
Sergey Royz (@zjor)

zjor

Java, Python, JavaScript
134
star
796
Tomas Smetana (@tsmetana)

tsmetana

C
134
star
797
Veronica Valeros (@verovaleros)

verovaleros

Python, HTML
133
star
798
Roman Cinis (@tsinis)

tsinis

Dart
133
star
799
Oscar Hernández (@OsaSoft)

OsaSoft

Groovy, Kotlin, JavaScript
133
star
800
Jan Čermák (@sairon)

sairon

Python, C++
132
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.