🇨🇿 Czechia Open Source Developers

The community of talented open source developers driving innovation and collaboration in the tech industry.

Developers

5,896

Organizations

823

Repositories

38,981

Top Rank

Shell, TeX, C

🇨🇿 Made in Czechia Compare with other countries

TOP Users

1
Jakub Onderka (@JakubOnderka)

JakubOnderka

PHP, Rust, JavaScript
13,242
star
2
Giampaolo Rodola (@giampaolo)

giampaolo

Python, HTML
11,098
star
3
Ondřej Žára (@ondras)

ondras

JavaScript, TypeScript, HTML
10,067
star
4
Photopea (@photopea)

photopea

JavaScript, HTML
9,443
star
5
Jan Vlnas (@jnv)

jnv

Ruby, JavaScript, HTML
9,047
star
6
Filip Skokan (@panva)

panva

JavaScript, TypeScript
8,541
star
7
Jan Pochyla (@jpochyla)

jpochyla

Rust, JavaScript, C
7,798
star
8
Jakub Vrána (@vrana)

vrana

PHP, JavaScript
6,981
star
9
Josef Nemec (@JosefNemec)

JosefNemec

C#, HTML
6,880
star
10
Catalin Miron (@catalinmiron)

catalinmiron

JavaScript, TypeScript, Objective-C
6,571
star
11
Vladimír Vondruš (@mosra)

mosra

C++, Shell, C
6,121
star
12
Martin Dvorak (@dvorka)

dvorka

Java, C++, C
5,949
star
13
Filip Krikava (@fikovnik)

fikovnik

Shell, Python, Objective-C
5,754
star
14
Farkhod Sadykov (@TheR1D)

TheR1D

Python
5,653
star
15
Jan Kotek (@jankotek)

jankotek

Java, Kotlin, CSS
5,224
star
16
@Disassembler0

Disassembler0

Python, C#, PHP
4,878
star
17
Václav Slavík (@vslavik)

vslavik

C++, Python, Java
4,806
star
18
Marek Šottl (@sottlmarek)

sottlmarek

Python, JavaScript, C
4,745
star
19
Pavan Kumar Sunkara (@pksunkara)

pksunkara

JavaScript, Rust, Go
4,701
star
20
Petr Beneš (@wbenny)

wbenny

C, C++, CMake
4,635
star
21
Jan Škoruba (@skoruba)

skoruba

C#, TypeScript
4,151
star
22
Karel Minarik (@karmi)

karmi

Ruby, JavaScript, Go
3,975
star
23
Viktor Chlumský (@Chlumsky)

Chlumsky

C++, C, JavaScript
3,961
star
24
Matus Goljer (@Fuco1)

Fuco1

Emacs Lisp, Haskell, Shell
3,949
star
25
Jakub Jirutka (@jirutka)

jirutka

Shell, Java, Ruby
3,948
star
26
Patrik Simek (@patriksimek)

patriksimek

CoffeeScript, JavaScript, PLpgSQL
3,864
star
27
Filip Hracek (@filiph)

filiph

Dart, JavaScript, Java
3,664
star
28
Kamil Vavra (@vavkamil)

vavkamil

Python, PHP, HTML
3,642
star
29
Jakub Beránek (@Kobzol)

Kobzol

C++, Python, C
3,638
star
30
Jindra Petřík (@jindrapetrik)

jindrapetrik

Java, C++, ActionScript
3,630
star
31
David Grudl (@dg)

dg

PHP, HTML
3,492
star
32
Igor Kulman (@igorkulman)

igorkulman

C#, Swift, JavaScript
3,484
star
33
Matheus Fernandes (@matheuss)

matheuss

JavaScript, C++, Lua
3,345
star
34
Josef Pihrt (@josefpihrt)

josefpihrt

C#, Vim Snippet
3,307
star
35
Samuel Tulach (@SamuelTulach)

SamuelTulach

C++, C#, C
3,123
star
36
Janko Marohnić (@janko)

janko

Ruby, JavaScript, HTML
3,048
star
37
Jan Mrázek (@yaqwsx)

yaqwsx

Python, C++, JavaScript
3,029
star
38
Hana Dusíková (@hanickadot)

hanickadot

C++
2,963
star
39
Daniel Milde (@dundee)

dundee

Python, Go, PHP
2,937
star
40
Pavel Stehule (@okbob)

okbob

C
2,712
star
41
Dmytro Mishkin (@ducha-aiki)

ducha-aiki

Jupyter Notebook, Python, C++
2,655
star
42
Michal Spicka (@elendirx)

elendirx

HTML
2,258
star
43
Martin Lapiš (@lapism)

lapism

Kotlin
2,223
star
44
Zdenek Kalal (@zk00006)

zk00006

MATLAB
2,091
star
45
Vojtěch Krása (@krasa)

krasa

Java, Kotlin, C++
2,062
star
46
Andrei Kvapil (@kvaps)

kvaps

Shell, HTML, Go
1,984
star
47
Michal Krenek (Mikos) (@xmikos)

xmikos

Python, C, Java
1,967
star
48
Michal 'vorner' Vaner (@vorner)

vorner

Rust, SCSS
1,856
star
49
Petr Baudis (@pasky)

pasky

Python, Perl, TeX
1,791
star
50
Jiri Spac (@capaj)

capaj

JavaScript, TypeScript, CSS
1,692
star
51
Martin Kníže (@Martz90)

Martz90

CSS
1,688
star
52
@martinrotter

martinrotter

C++, TeX, Shell
1,688
star
53
Petr Nohejl (@petrnohejl)

petrnohejl

Python, Java, C++
1,676
star
54
Josef Prusa (@josefprusa)

josefprusa

JavaScript, Python, OpenSCAD
1,633
star
55
Jiří Stránský (@jistr)

jistr

Shell, Ruby, Python
1,624
star
56
David Samuel (@davda54)

davda54

Python, C#, C++
1,556
star
57
Lukáš Vlček (@lukas-vlcek)

lukas-vlcek

Java, Shell, JavaScript
1,544
star
58
dcbuilder.eth (@dcbuild3r)

dcbuild3r

JavaScript, Rust, Python
1,539
star
59
Dávid Ocetník (@ocetnik)

ocetnik

Java
1,534
star
60
Matěj Týč (@matejak)

matejak

Python, Shell, M4
1,525
star
61
Martin Mitáš (@mity)

mity

C, C++, PHP
1,498
star
62
Minexew (@minexew)

minexew

Python, HolyC, C++
1,494
star
63
Patrik Holop (@PatrikH0lop)

PatrikH0lop

Python, C
1,484
star
64
Davide Pollicino (@omonimus1)

omonimus1

Python, JavaScript, C++
1,480
star
65
Josef Šimánek (@simi)

simi

Ruby, C, CSS
1,467
star
66
Vladimír Gorej (@char0n)

char0n

JavaScript, Python, Java
1,412
star
67
Ondrej Jamriska (@jamriska)

jamriska

C++, C
1,406
star
68
Maciej Treder (@maciejtreder)

maciejtreder

TypeScript, JavaScript, Java
1,405
star
69
Michael Grafnetter (@MichaelGrafnetter)

MichaelGrafnetter

C#
1,392
star
70
@coofcookie

coofcookie

C#
1,372
star
71
Petr Gotthard (@gotthardp)

gotthardp

Erlang, Makefile, C
1,349
star
72
Evgeny (@Evalle)

Evalle

Python, Shell
1,340
star
73
David Durman (@DavidDurman)

DavidDurman

JavaScript, C, C++
1,311
star
74
Jakub Kulhan (@jakubkulhan)

jakubkulhan

PHP, Go, Java
1,298
star
75
Jiri Trecak (@JiriTrecak)

JiriTrecak

Swift
1,290
star
76
Jan Žák (@zakjan)

zakjan

JavaScript, TypeScript, Shell
1,186
star
77
Hynek Petrak (@HynekPetrak)

HynekPetrak

Python, C#, JavaScript
1,180
star
78
Georgy Marchuk (@gmrchk)

gmrchk

JavaScript, TypeScript
1,179
star
79
Jakub Truhlář (@kubatruhlar)

kubatruhlar

Objective-C, Shell, Swift
1,176
star
80
Roman Bičan (@romanbican)

romanbican

PHP
1,164
star
81
Tomas Tomecek (@TomasTomecek)

TomasTomecek

Python, JavaScript, Go
1,163
star
82
Charles Hill (@chill117)

chill117

JavaScript, PHP, C++
1,157
star
83
Torsten Sattler (@tsattler)

tsattler

C++, Python
1,144
star
84
Jan Bláha (@swift502)

swift502

C#, Python, TypeScript
1,130
star
85
Kamil Tomšík (@cztomsik)

cztomsik

JavaScript, Rust, Zig
1,123
star
86
Roman (@march08)

march08

JavaScript, TypeScript
1,119
star
87
Ladislav Zezula (@ladislav-zezula)

ladislav-zezula

C++, C
1,103
star
88
Peter Lemenkov (@lemenkov)

lemenkov

Erlang, C, Shell
1,087
star
89
Alexandre Vicenzi (@alexandrevicenzi)

alexandrevicenzi

Python, Go, HTML
1,076
star
90
Vojtěch Habarta (@vojtechhabarta)

vojtechhabarta

Java, JavaScript
1,069
star
91
Jan Odvarko (@janodvarko)

janodvarko

JavaScript
1,061
star
92
Mike (@MikeKovarik)

MikeKovarik

JavaScript, HTML
1,052
star
93
Boris Letocha (@Bobris)

Bobris

C#, TypeScript, JavaScript
1,051
star
94
Roman Provazník (@Dzoukr)

Dzoukr

F#, Dockerfile
1,027
star
95
Tomáš Iser (@tomasiser)

tomasiser

C++, Vim Script, Java
1,007
star
96
Petr Šťastný (@SoptikHa2)

SoptikHa2

Rust, C#, C++
1,005
star
97
Michael Musil (@infi-pc)

infi-pc

TypeScript, JavaScript
993
star
98
Petr Havlena (@havlenapetr)

havlenapetr

C, Java, C++
980
star
99
Šimon Let (@curusarn)

curusarn

Go, HTML, Makefile
977
star
100
Tomáš Martykán (@martykan)

martykan

Java, Swift, JavaScript
952
star

Statistics

By location

Prague 63.9%
Brno 21.3%
Ostrava 2.1%
Pilsen 1.4%
Liberec 1.0%
Other 10.3%

By programing language

JavaScript
 		15.7%
Python
 		14.6%
PHP
 		8.8%
Java
 		8.3%
C++
 		8.2%
Other 		44.4%

World rating by programing language (country/rank)

Shell
 		21
TeX
 		22
C
 		24
Go
 		26
Rust
 		26

* More analytics for signed in users.