🇨🇿 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

2901
Petr Olšák (@olsak)

olsak

TeX, HTML
15
star
2902
Oleg Kozlov (@xxblx)

xxblx

Python
15
star
2903
Yury Tsarev (@ytsarev)

ytsarev

JavaScript, Go
15
star
2904
PragGOLabs (@PragGoLabs)

PragGoLabs

Go
15
star
2905
Lonely Vertex (@LonelyVertex)

LonelyVertex

C#, Python
15
star
2906
Luboš Pokorný (@zoido)

zoido

Go, CoffeeScript
15
star
2907
Petr Schreiber (@petrSchreiber)

petrSchreiber

Rust, SourcePawn, Python
15
star
2908
Filip Stollar (@SuNaden)

SuNaden

HTML, JavaScript
15
star
2909
Jaroslav Lhoták (@lhotakj)

lhotakj

Python, C#
15
star
2910
Zdenek Henek (@zvrablik)

zvrablik

Java
15
star
2911
Tomáš Ljutenko (@zloutek1)

zloutek1

APL, Java, Python
15
star
2912
Filip Mares (@etylsarin)

etylsarin

JavaScript, TypeScript
15
star
2913
Tomáš Kalvoda (@kalvotom)

kalvotom

Jupyter Notebook, Julia, Dockerfile
15
star
2914
@Aleshmandr

Aleshmandr

C#, ShaderLab
15
star
2915
Honza Široký (@siroky)

siroky

Scala, C#
15
star
2916
Vojtech Jasny (@voy)

voy

JavaScript, Python, TypeScript
15
star
2917
Vojtech Kotek (@vkotek)

vkotek

Python, Jupyter Notebook
15
star
2918
Raevskiy Rudolf (@lanesket)

lanesket

Python
15
star
2919
Ilia Zavidnyi (@zavidnyi)

zavidnyi

Swift, C#, C++
15
star
2920
Imatic Software (@imatic)

imatic

PHP, Clojure
15
star
2921
Marc (@marakoss)

marakoss

TypeScript, Go
15
star
2922
Jarek Kuboš (@jkubos)

jkubos

Java
15
star
2923
Štěpán Ulver (@tusil)

tusil

JavaScript
15
star
2924
Tomáš Jecha (@jechtom)

jechtom

C#, G-code
15
star
2925
Jan Chalupa (@honzachalupa)

honzachalupa

TypeScript, Swift, JavaScript
15
star
2926
Dominik Zarsky (@Loupeznik)

Loupeznik

Shell, PHP, Crystal
15
star
2927
Tomas Mlcoch (@Tojaj)

Tojaj

Python, Vim Script, C
15
star
2928
Jan Pospíšil aka Pospa (@pospanet)

pospanet

C#, Python, Jupyter Notebook
15
star
2929
Ondřej Kulhavý (@OndrejKulhavy)

OndrejKulhavy

C#, PHP, Kotlin
15
star
2930
Zied Hamdi (@ziedHamdi)

ziedHamdi

Svelte, JavaScript, TypeScript
15
star
2931
Jan Žegklitz (@zegkljan)

zegkljan

Go, HTML, Nix
15
star
2932
Eugene (@JackGoode)

JackGoode

Java, TypeScript
15
star
2933
Ali Torabi (@torabi-ali)

torabi-ali

C#, Shell
15
star
2934
Proed, z. s. (@protab)

protab

C
15
star
2935
Galina Staneva (@gale31)

gale31

Java, C++
15
star
2936
currys.co.uk (@currys-co-uk)

currys-co-uk

JavaScript, C#, TypeScript
15
star
2937
ATEAMS (@ATEAMS-CZ)

ATEAMS-CZ

HTML, TypeScript
15
star
2938
Lois Genesis (@Loisgenesis)

Loisgenesis

Dart
15
star
2939
Jiri Brozovsky (@jurabr)

jurabr

C, MATLAB
15
star
2940
Daniel Rusnok (@DannyRusnok)

DannyRusnok

C#
15
star
2941
Tomáš Brukner (@xbrukner)

xbrukner

15
star
2942
Adam Josefus (@adamjosefus)

adamjosefus

TypeScript
15
star
2943
Petr Sahula (@spetex)

spetex

JavaScript, Rust, Ruby
15
star
2944
Roger Guasch (@roguib)

roguib

Java, C#, C++
15
star
2945
@DeziderMesko

DeziderMesko

Java, Python, Go
15
star
2946
Alois Sečkár (@AloisSeckar)

AloisSeckar

Vue, TypeScript, Java
15
star
2947
Nikita Kuznetsov (@KuznetsovNikita)

KuznetsovNikita

TypeScript, HTML
15
star
2948
@Cubically

Cubically

C++, Lua
15
star
2949
Jan Jones (@jjonescz)

jjonescz

C#, Python
15
star
2950
Radek Dostál (@radekdostal)

radekdostal

PHP
15
star
2951
Prague Lambda (@prague-lambda)

prague-lambda

Clojure
15
star
2952
Martin Kukač (@logout128)

logout128

PHP, BASIC, C
15
star
2953
Vojtech Mašek (@vmasek)

vmasek

TypeScript, C, Shell
15
star
2954
Filip Pýrek (@FilipPyrek)

FilipPyrek

JavaScript, TypeScript
15
star
2955
Milan Boruvka (@milanboruvka)

milanboruvka

Java
15
star
2956
@ZhiDongRen

ZhiDongRen

MATLAB, C++, Yacc
15
star
2957
@Sognus

Sognus

C++, Python
15
star
2958
Jiri Matejka (@jirimatejka)

jirimatejka

C#
15
star
2959
Karel Hala (@karelhala)

karelhala

JavaScript, Shell, C#
15
star
2960
Martin Smola (@molda)

molda

JavaScript
14
star
2961
HKFree.org (@HKFree)

HKFree

PHP, Python, Go
14
star
2962
PERLUR Group (@PERLUR)

PERLUR

PHP, Vue, Python
14
star
2963
Libor Nenadál (@saxicek)

saxicek

Python, Java
14
star
2964
Roman Bielokon (@Kvest)

Kvest

Java, Kotlin
14
star
2965
Josef Schlehofer (@BKPepe)

BKPepe

14
star
2966
Martin Beták (@matobet)

matobet

JavaScript, Rust, Java
14
star
2967
Alex Cumarav (@acumarav)

acumarav

Java, C#
14
star
2968
Jan Rudolf (@janrvdolf)

janrvdolf

Cuda
14
star
2969
Jacob Faber (@jacob-faber)

jacob-faber

Kotlin, Java, Go
14
star
2970
@pavex

pavex

PHP, CSS, TypeScript
14
star
2971
@Simple-Home

Simple-Home

PHP, Dockerfile
14
star
2972
Lukáš Hornych (@lukashornych)

lukashornych

JavaScript, TypeScript
14
star
2973
Anna Jungmannová (@Aletheie)

Aletheie

TypeScript, Shell, HTML
14
star
2974
Frantisek Jahoda (@jahodfra)

jahodfra

Python, JavaScript
14
star
2975
Energomonitor (@energomonitor)

energomonitor

Go, JavaScript
14
star
2976
Filip Šikula (@Filipsi)

Filipsi

C#, JavaScript
14
star
2977
Bram Reuling (@Bram-Reuling)

Bram-Reuling

C++
14
star
2978
Pavel Stránský (@PavelStransky)

PavelStransky

PostScript, TeX, Mathematica
14
star
2979
Bialu Software (@Bialu-Software)

Bialu-Software

Vue, TypeScript
14
star
2980
@mkrajnak

mkrajnak

C++, C, PHP
14
star
2981
Jiří Kadlec (@jirikadlec2)

jirikadlec2

R
14
star
2982
Kuritka (@kuritka)

kuritka

Go, C#, HCL
14
star
2983
@SubMob

SubMob

Kotlin
14
star
2984
Lukas Satin (@cyberluke)

cyberluke

C#
14
star
2985
Annotate Framework (@AnnotateFramework)

AnnotateFramework

PHP
14
star
2986
Kali (@KaliumPuceon)

KaliumPuceon

Python
14
star
2987
@mrq1911

mrq1911

Clojure, Python, JavaScript
14
star
2988
Jaromír Salamon (@jaromirsalamon)

jaromirsalamon

Python, R
14
star
2989
Adam Rajnoha (@arajnoha)

arajnoha

PHP, JavaScript
14
star
2990
Y Soft IOTA (@ysoftiota)

ysoftiota

C++, Python
14
star
2991
Jakub Hnilička (@jakubhnilicka)

jakubhnilicka

PHP
14
star
2992
@updraft

updraft

C++, JavaScript
14
star
2993
José Luis Gordillo Relaño (@tote93)

tote93

JavaScript, Python, TypeScript
14
star
2994
Pavel Janda (@paveljanda)

paveljanda

PHP, JavaScript
14
star
2995
Jan Kasik (@honza-kasik)

honza-kasik

Python, Java, Shell
14
star
2996
Jakub Hladík (@kubbing)

kubbing

Objective-C, Ruby, Swift
14
star
2997
Igor Ivlev (@8kto)

8kto

JavaScript, TypeScript, PHP
14
star
2998
Martin Šlachta (@Bequen)

Bequen

C++, C, C#
14
star
2999
Franco Laiuppa (@francolaiuppa)

francolaiuppa

PHP, JavaScript
14
star
3000
Václav Hausenblas (@vh-d)

vh-d

R, Julia
14
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.