🇨🇿 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

TOP Users

1
Jakub Onderka (@JakubOnderka)

JakubOnderka

PHP, Rust, JavaScript
13,165
star
2
Giampaolo Rodola (@giampaolo)

giampaolo

Python, HTML
11,960
star
3
Photopea (@photopea)

photopea

JavaScript, HTML
11,157
star
4
Ondřej Žára (@ondras)

ondras

JavaScript, TypeScript, HTML
10,067
star
5
Josef Nemec (@JosefNemec)

JosefNemec

C#, HTML, PowerShell
9,400
star
6
Jan Vlnas (@jnv)

jnv

JavaScript, Ruby, Python
9,047
star
7
Filip Skokan (@panva)

panva

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

jpochyla

Rust, JavaScript, C
7,798
star
9
Jakub Vrána (@vrana)

vrana

PHP, JavaScript
7,364
star
10
Vladimír Vondruš (@mosra)

mosra

C++, Shell, C
6,732
star
11
Farkhod Sadykov (@TheR1D)

TheR1D

Python
6,732
star
12
Catalin Miron (@catalinmiron)

catalinmiron

JavaScript, TypeScript, Objective-C
6,571
star
13
Martin Dvorak (@dvorka)

dvorka

C++, Java, C
5,949
star
14
Filip Krikava (@fikovnik)

fikovnik

Shell, Python, Objective-C
5,776
star
15
Kamil Vavra (@vavkamil)

vavkamil

Python, HTML, PHP
5,744
star
16
Jan Kotek (@jankotek)

jankotek

Java, Kotlin, CSS
5,458
star
17
Samuel Tulach (@SamuelTulach)

SamuelTulach

C++, C#, C
5,242
star
18
Václav Slavík (@vslavik)

vslavik

C++, Python, Makefile
5,117
star
19
Petr Beneš (@wbenny)

wbenny

C, C++, CMake
5,064
star
20
Pavan Kumar Sunkara (@pksunkara)

pksunkara

JavaScript, Rust, C
4,985
star
21
@Disassembler0

Disassembler0

Python, C#, PHP
4,957
star
22
Jakub Beránek (@Kobzol)

Kobzol

C++, Rust, Python
4,953
star
23
Marek Šottl (@sottlmarek)

sottlmarek

Python, Ruby, C
4,745
star
24
Viktor Chlumský (@Chlumsky)

Chlumsky

C++, C, JavaScript
4,742
star
25
Matus Goljer (@Fuco1)

Fuco1

Emacs Lisp, Shell, Haskell
4,258
star
26
Jan Škoruba (@skoruba)

skoruba

C#, TypeScript
4,252
star
27
Jakub Jirutka (@jirutka)

jirutka

Shell, Java, Ruby
4,230
star
28
Daniel Milde (@dundee)

dundee

Python, Go, PHP
4,067
star
29
Karel Minarik (@karmi)

karmi

Ruby, JavaScript, Go
3,975
star
30
Patrik Simek (@patriksimek)

patriksimek

CoffeeScript, JavaScript, PLpgSQL
3,864
star
31
Filip Hracek (@filiph)

filiph

Dart, JavaScript, HTML
3,843
star
32
David Grudl (@dg)

dg

PHP, HTML
3,656
star
33
Jindra Petřík (@jindrapetrik)

jindrapetrik

Java, C++, ActionScript
3,630
star
34
Matheus Fernandes (@matheuss)

matheuss

JavaScript, Lua, Shell
3,626
star
35
Hana Dusíková (@hanickadot)

hanickadot

C++
3,626
star
36
Igor Kulman (@igorkulman)

igorkulman

C#, Swift, JavaScript
3,484
star
37
Janko Marohnić (@janko)

janko

Ruby, JavaScript, HTML
3,048
star
38
Jan Mrázek (@yaqwsx)

yaqwsx

Python, C++, TeX
3,029
star
39
Pavel Stehule (@okbob)

okbob

C
2,873
star
40
Dmytro Mishkin (@ducha-aiki)

ducha-aiki

Jupyter Notebook, Python, C++
2,655
star
41
Michal Spicka (@elendirx)

elendirx

HTML
2,255
star
42
Martin Lapiš (@lapism)

lapism

Kotlin
2,232
star
43
@martinrotter

martinrotter

C++, C#, TeX
2,199
star
44
Zdenek Kalal (@zk00006)

zk00006

MATLAB
2,090
star
45
Vojtěch Krása (@krasa)

krasa

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

kvaps

Shell, HTML, Go
2,026
star
47
Petr Baudis (@pasky)

pasky

Python, Perl, TeX
2,026
star
48
Michal Krenek (Mikos) (@xmikos)

xmikos

Python, Vim Script, Shell
1,967
star
49
David Samuel (@davda54)

davda54

Python, C#, C++
1,894
star
50
Patrik Holop (@PatrikH0lop)

PatrikH0lop

C, Python
1,858
star
51
Michal 'vorner' Vaner (@vorner)

vorner

Rust, SCSS
1,856
star
52
Michal Danilák (@Mimino666)

Mimino666

Python, C++
1,725
star
53
Davide Pollicino (@omonimus1)

omonimus1

Python, C++, JavaScript
1,712
star
54
Marcel Dopita (@moneytoo)

moneytoo

Java, JavaScript, Shell
1,701
star
55
Jiri Spac (@capaj)

capaj

JavaScript, TypeScript, CSS
1,692
star
56
Martin Kníže (@Martz90)

Martz90

CSS
1,691
star
57
Josef Prusa (@josefprusa)

josefprusa

JavaScript, Python, OpenSCAD
1,689
star
58
Petr Nohejl (@petrnohejl)

petrnohejl

Python, Java, C++
1,687
star
59
Matěj Týč (@matejak)

matejak

Python, Shell, C
1,676
star
60
Jiří Stránský (@jistr)

jistr

Shell, Ruby, Python
1,634
star
61
Michael Grafnetter (@MichaelGrafnetter)

MichaelGrafnetter

C#, HTML
1,613
star
62
Dávid Ocetník (@ocetnik)

ocetnik

Java
1,601
star
63
Lukáš Vlček (@lukas-vlcek)

lukas-vlcek

Java, Shell, JavaScript
1,543
star
64
dcbuilder.eth (@dcbuild3r)

dcbuild3r

Rust, JavaScript, Solidity
1,539
star
65
Martin Mitáš (@mity)

mity

C, PHP, C++
1,498
star
66
Minexew (@minexew)

minexew

Python, HolyC, C++
1,494
star
67
Josef Šimánek (@simi)

simi

Ruby, CSS, C
1,467
star
68
Michal Doubek (@coofcookie)

coofcookie

C#
1,465
star
69
Evgeny (@Evalle)

Evalle

Python, Shell
1,423
star
70
Vladimír Gorej (@char0n)

char0n

JavaScript, Python, PHP
1,412
star
71
Maciej Treder (@maciejtreder)

maciejtreder

TypeScript, JavaScript, Java
1,405
star
72
Petr Gotthard (@gotthardp)

gotthardp

Erlang, Makefile, BitBake
1,403
star
73
Marek Veselý (@notmarek)

notmarek

Rust, JavaScript, Python
1,378
star
74
David Duong (@dqbd)

dqbd

JavaScript, TypeScript, Java
1,373
star
75
Hynek Petrak (@HynekPetrak)

HynekPetrak

Python, JavaScript, C#
1,361
star
76
Jakub Kulhan (@jakubkulhan)

jakubkulhan

PHP, Go, Java
1,356
star
77
Michael Musil (@infi-pc)

infi-pc

TypeScript, JavaScript
1,347
star
78
Jan Bláha (@swift502)

swift502

C#, Python, TypeScript
1,328
star
79
David Durman (@DavidDurman)

DavidDurman

JavaScript, C, Shell
1,311
star
80
Jiri Trecak (@JiriTrecak)

JiriTrecak

Swift
1,282
star
81
Oleksandr Balan (@oleksandrbalan)

oleksandrbalan

Kotlin
1,272
star
82
Jan Žák (@zakjan)

zakjan

JavaScript, TypeScript, Shell
1,249
star
83
Elastic Sea (@ElasticSea)

ElasticSea

C#, Java, PowerShell
1,245
star
84
Ladislav Zezula (@ladislav-zezula)

ladislav-zezula

C++, C
1,238
star
85
Torsten Sattler (@tsattler)

tsattler

C++, Python
1,203
star
86
Georgy Marchuk (@gmrchk)

gmrchk

JavaScript, TypeScript
1,179
star
87
Jakub Truhlář (@kubatruhlar)

kubatruhlar

Objective-C, Shell, Swift
1,176
star
88
Tomas Tomecek (@TomasTomecek)

TomasTomecek

Python, JavaScript, Go
1,171
star
89
Kamil Tomšík (@cztomsik)

cztomsik

Zig, Rust, JavaScript
1,156
star
90
Roman B. (@romanbican)

romanbican

PHP
1,155
star
91
Vojtěch Habarta (@vojtechhabarta)

vojtechhabarta

Java, JavaScript
1,149
star
92
Roman Provazník (@Dzoukr)

Dzoukr

F#, Dockerfile
1,131
star
93
Roman (@march08)

march08

JavaScript, TypeScript
1,119
star
94
Jan Odvarko (@janodvarko)

janodvarko

JavaScript
1,117
star
95
Alexandre Vicenzi (@alexandrevicenzi)

alexandrevicenzi

Python, Go, JavaScript
1,109
star
96
Peter Lemenkov (@lemenkov)

lemenkov

C, Erlang, Shell
1,108
star
97
Šimon Let (@curusarn)

curusarn

Go, Makefile, HTML
1,084
star
98
Akhmed Ibragimov (@Darginec05)

Darginec05

TypeScript
1,077
star
99
Boris Letocha (@Bobris)

Bobris

C#, TypeScript, JavaScript
1,063
star
100
Filip Halaxa (@halaxa)

halaxa

PHP
1,055
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.