🇨🇿 Czechia Organizations doing Open Source

Leading organizations in the Czechia driving open source projects.

Developers

6,149

Organizations

828

Repositories

40,441

Top Rank

Dockerfile, Shell, C

🇨🇿 Made in Czechia Compare with other countries 🌐 All countries

TOP Organizations

1
Avast (@avast)

avast

C++, Scala, Java
19,180
star
2
Prusa3D (@prusa3d)

prusa3d

HTML, C, C++
11,910
star
3
Trezor (@trezor)

trezor

Python, JavaScript, C
6,223
star
4
client IO (@clientIO)

clientIO

JavaScript, TypeScript, Svelte
4,223
star
5
Lingui (@lingui)

lingui

TypeScript, JavaScript, Rust
4,013
star
6
Weblate (@WeblateOrg)

WeblateOrg

Python, Shell, Makefile
4,007
star
7
Source (@madebysource)

madebysource

JavaScript, ActionScript, CoffeeScript
3,598
star
8
Kiwi.com (@kiwicom)

kiwicom

JavaScript, Python, HCL
3,335
star
9
Keen Software House (@KeenSoftwareHouse)

KeenSoftwareHouse

C#, C++, HTML
3,163
star
10
Salsita Software (@salsita)

salsita

JavaScript, Python, TypeScript
3,127
star
11
@swarmpit

swarmpit

Shell, Clojure, Go
2,940
star
12
CZ.NIC (@CZ-NIC)

CZ-NIC

Python, C, JavaScript
2,874
star
13
@CESNET

CESNET

C, Python, C++
2,731
star
14
Inmite s.r.o. (@inmite)

inmite

Java, JavaScript, Objective-C++
2,555
star
15
Contributte (@contributte)

contributte

PHP, CSS, JavaScript
2,545
star
16
@ApiGen

ApiGen

HTML, PHP
2,142
star
17
@Brightify

Brightify

Swift, Kotlin, Java
2,042
star
18
Schemathesis.io (@schemathesis)

schemathesis

Python
2,038
star
19
Futured (@futuredapp)

futuredapp

Swift, Kotlin, Ruby
1,956
star
20
Avocode (@avocode)

avocode

CoffeeScript, JavaScript, HTML
1,688
star
21
ÚFAL (@ufal)

ufal

Python, Perl, C++
1,677
star
22
Urbandroid Team (@urbandroid-team)

urbandroid-team

Java, Kotlin, TypeScript
1,561
star
23
BOOT!Q Creative (@blueberryapps)

blueberryapps

JavaScript, Ruby, TypeScript
1,502
star
24
SatoshiLabs (@satoshilabs)

satoshilabs

Markdown
1,474
star
25
Tolgee (@tolgee)

tolgee

TypeScript, Vue, HTML
1,432
star
26
Slevomat (@slevomat)

slevomat

PHP
1,424
star
27
CRoCS (@crocs-muni)

crocs-muni

Python, Java, C++
1,415
star
28
Stratosphere IPS (@stratosphereips)

stratosphereips

Python, Jupyter Notebook, Shell
1,411
star
29
@symplify

symplify

PHP
1,306
star
30
FEO (@feo-cz)

feo-cz

C#, CSS, PHP
1,283
star
31
Seznam.cz a.s. (@seznam)

seznam

JavaScript, Python, C++
1,230
star
32
Easy Coding Standard (@easy-coding-standard)

easy-coding-standard

PHP
1,226
star
33
QupZilla Browser (@QupZilla)

QupZilla

C++, JavaScript, PHP
1,182
star
34
Step Up Labs (@step-up-labs)

step-up-labs

C#
1,154
star
35
Windy (@windycom)

windycom

JavaScript, Swift
1,112
star
36
Superdesk (@superdesk)

superdesk

Python, JavaScript, PHP
1,059
star
37
@Kdyby

Kdyby

PHP
1,026
star
38
Multi-robot Systems (MRS) group at Czech Technical University in Prague (@ctu-mrs)

ctu-mrs

C++, Shell, Python
1,000
star
39
RIGANTI s.r.o. (@riganti)

riganti

C#, JavaScript, TypeScript
923
star
40
Ackee (@AckeeCZ)

AckeeCZ

TypeScript, Kotlin, Swift
900
star
41
Fork.dev (@fork-dev)

fork-dev

885
star
42
Zonky (@zonkyio)

zonkyio

Java, Shell, JavaScript
876
star
43
Nextras (@nextras)

nextras

PHP, JavaScript, Kotlin
874
star
44
Sourcefabric (@sourcefabric)

sourcefabric

PHP
871
star
45
Czech Technical University (@cvut)

cvut

Python, Java, JavaScript
731
star
46
Webscope.io (@webscopeio)

webscopeio

TypeScript, JavaScript, Python
686
star
47
Institute of Formal and Applied Linguistics – Dialogue Systems Group (@UFAL-DSG)

UFAL-DSG

Python, C, C++
661
star
48
Fragaria, s.r.o. (@fragaria)

fragaria

JavaScript, Python, TypeScript
655
star
49
Bohemia Interactive (@BohemiaInteractive)

BohemiaInteractive

JavaScript, C, C++
643
star
50
@Kentico

Kentico

C#, JavaScript, TypeScript
641
star
51
Adaptech s.r.o. (@adaptech-cz)

adaptech-cz

C
640
star
52
Pyvec, z.s. (@pyvec)

pyvec

Python, HTML, Jupyter Notebook
632
star
53
Talsec (@talsec)

talsec

C, Kotlin
624
star
54
@Showmax

Showmax

Python, Swift, Go
606
star
55
Melown Technologies, SE (@melowntech)

melowntech

C++, C#, Makefile
595
star
56
edgedesign/phpqa (@EdgedesignCZ)

EdgedesignCZ

PHP, XSLT
570
star
57
Otto DIY (@OttoDIY)

OttoDIY

C++, C, JavaScript
570
star
58
@GoodAI

GoodAI

Python, C#, Jupyter Notebook
557
star
59
@ngParty

ngParty

JavaScript, TypeScript, HTML
542
star
60
HAVIT (@havit)

havit

C#
529
star
61
@FlowCrypt

FlowCrypt

TypeScript, Swift, Shell
525
star
62
@DEVSENSE

DEVSENSE

C#, SCSS, PHP
505
star
63
LMC s.r.o. (@lmc-eu)

lmc-eu

PHP, JavaScript, TypeScript
488
star
64
Keboola (@keboola)

keboola

PHP, JavaScript, Python
484
star
65
Mews (@MewsSystems)

MewsSystems

C#, Dart, Kotlin
473
star
66
API Hogs (@api-hogs)

api-hogs

Elixir, JavaScript
450
star
67
@TeskaLabs

TeskaLabs

Python, JavaScript, Java
423
star
68
HARDWARIO (@hardwario)

hardwario

C, Python, JavaScript
417
star
69
Löwenware (@lowenware)

lowenware

C, Rust, JavaScript
413
star
70
@CSIRT-MU

CSIRT-MU

Python, Jupyter Notebook, Java
408
star
71
statica (@staticafi)

staticafi

Python, C++, C
405
star
72
@mapshakers

mapshakers

JavaScript, CSS, Scheme
393
star
73
PostSharp Technologies (@postsharp)

postsharp

C#, PowerShell
382
star
74
GoodData (@gooddata)

gooddata

JavaScript, Python, TypeScript
382
star
75
ITDS Consulting, s.r.o. (@itds-consulting)

itds-consulting

Python, C++, Java
361
star
76
manGoweb s.r.o. (@manGoweb)

manGoweb

Swift, JavaScript, PHP
358
star
77
iXit Group (@iXit)

iXit

C
355
star
78
@ScreamingSandals

ScreamingSandals

Java, HTML
349
star
79
Péhápkaři (@pehapkari)

pehapkari

HTML, PHP
344
star
80
@Spinoco

Spinoco

Scala
340
star
81
Wultra (@wultra)

wultra

Java, Swift, TypeScript
331
star
82
Hlídač Státu, z.ú. (@HlidacStatu)

HlidacStatu

JavaScript, C#, HTML
320
star
83
Contember (@contember)

contember

TypeScript, PHP, Go
310
star
84
Sec51 (@sec51)

sec51

Go, JavaScript
309
star
85
Networks and Distributed Systems (@nesfit)

nesfit

Python, C#, Dockerfile
307
star
86
Apify Projects (@apify-projects)

apify-projects

TypeScript, JavaScript
303
star
87
Packit (@packit)

packit

Python, TypeScript, C
299
star
88
Robo@FIT, Faculty of Information Technology, Brno University of Technology (@robofit)

robofit

C++, Python, C#
297
star
89
Pematon, s.r.o. (@pematon)

pematon

PHP, Less
289
star
90
FlowUp (@flowup)

flowup

TypeScript, Go, JavaScript
286
star
91
</BRJ> core packages (@baraja-core)

baraja-core

PHP, TypeScript, JavaScript
277
star
92
Lundegaard a.s. (@lundegaard)

lundegaard

JavaScript, Java, Shell
276
star
93
AntigenOmics (@antigenomics)

antigenomics

Jupyter Notebook, HTML, Groovy
276
star
94
RoboticsBrno (RobotikaBrno) (@RoboticsBrno)

RoboticsBrno

C++, C, HTML
269
star
95
Nebula Broadcast (@nebulabroadcast)

nebulabroadcast

Python, Shell
269
star
96
Games and Simulations Research Group (@Games-and-Simulations)

Games-and-Simulations

Python, C++, HTML
263
star
97
@TheNetworg

TheNetworg

PHP, PowerShell, C#
259
star
98
Purple Technology (@purple-technology)

purple-technology

TypeScript, JavaScript
252
star
99
@CzechPMDevs

CzechPMDevs

PHP, C#
249
star
100
DX Heroes (@DXHeroes)

DXHeroes

TypeScript, JavaScript, Swift
247
star

Statistics

By location

Prague 64.0%
Brno 21.3%
Ostrava 2.1%
Pilsen 1.5%
Liberec 1.0%
Other 10.1%

By programing language

JavaScript
15.9%
Python
14.8%
C++
8.3%
PHP
8.1%
Java
8.1%
Other
44.8%

World rating by programing language (country/rank)

Dockerfile
20
Shell
21
C
24
C++
26
Rust
26

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