🇫🇮 Finland Open Source Contributors

Discover the top open source developers from the Finland who are revolutionizing the IT world with their exceptional talent and ground-breaking projects.

Developers

6,881

Organizations

774

Repositories

46,985

Top Rank

Clojure, MATLAB, Rust

🇫🇮 Made in Finland Compare with other countries 🌐 All countries

Top Contributors

201
Tung Vo (@tungvoduc)

tungvoduc

Swift
847
star
202
Tomasz Czajęcki (@tchayen)

tchayen

TypeScript, JavaScript, C++
840
star
203
City of Helsinki (@City-of-Helsinki)

City-of-Helsinki

Python, JavaScript, TypeScript
837
star
204
Sami Perttu (@SamiPerttu)

SamiPerttu

Rust, F#, C++
837
star
205
Casper Talvio (@CTalvio)

CTalvio

CSS, Squirrel, Python
836
star
206
Mikael Koskinen (@mikoskinen)

mikoskinen

C#, JavaScript, CSS
833
star
207
Santtu Keskinen (@skeskinen)

skeskinen

Python, C++, Haskell
831
star
208
@ahmia

ahmia

Python, Shell, HTML
825
star
209
Inan Evin (@inanevin)

inanevin

C++, C#, Java
824
star
210
Jaakko Lukkari (@orktes)

orktes

Go, JavaScript, PHP
822
star
211
Solita (@solita)

solita

Java, Clojure, JavaScript
819
star
212
Teemu Matilainen (@tmatilai)

tmatilai

Ruby, Shell, Vim Script
805
star
213
Oona Räisänen (@windytan)

windytan

C++, Perl, C
802
star
214
Cauldron Development (@CauldronDevelopmentLLC)

CauldronDevelopmentLLC

C++, Python, Shell
801
star
215
@lassik

lassik

Emacs Lisp, Scheme, Elm
798
star
216
Hexlet Boilerplates (@hexlet-boilerplates)

hexlet-boilerplates

JavaScript, Makefile, HTML
797
star
217
Anna-Maria Meriniemi (@TheAMM)

TheAMM

Lua, Python, C
794
star
218
Jussi Kuokkanen (@Lurkki14)

Lurkki14

C++, Haskell, Shell
792
star
219
Badrap Oy (@badrap)

badrap

TypeScript, JavaScript
783
star
220
Eetu Tuomala (@laardee)

laardee

JavaScript, Shell
781
star
221
Tero Saarni (@tsaarni)

tsaarni

C++, C, Go
776
star
222
Intelligent Medical Systems Research Group (@Oulu-IMEDS)

Oulu-IMEDS

Python, Jupyter Notebook
768
star
223
Hannes Karppila (@Dentosal)

Dentosal

Rust, Python, HTML
766
star
224
Geniem Oy (@devgeniem)

devgeniem

PHP, JavaScript, Shell
757
star
225
Jason Robinson (@jaywink)

jaywink

Python, JavaScript, Shell
757
star
226
Matti Tahvonen (@mstahv)

mstahv

Java, CSS, HTML
754
star
227
Martin Björkström (@bjorkstromm)

bjorkstromm

C#, F#, JavaScript
753
star
228
Dan Jacob (@danjac)

danjac

Python, JavaScript, Vue
752
star
229
Henrik Nyman (@nyyManni)

nyyManni

C, Emacs Lisp, Python
752
star
230
Henri Parviainen (@henripar)

henripar

JavaScript, Vue, HTML
749
star
231
Jarkko Sonninen (@kasbert)

kasbert

C, C++, Python
746
star
232
Eemeli Kelokorpi (@ekelokorpi)

ekelokorpi

JavaScript
744
star
233
Codership (@codership)

codership

C++, C, CSS
741
star
234
National Library of Finland (@NatLibFi)

NatLibFi

JavaScript, Python, Perl
736
star
235
Janne Vanhala (@jpvanhal)

jpvanhal

Python, TypeScript, C++
733
star
236
Osmo Salomaa (@otsaloma)

otsaloma

Python, CSS, QML
728
star
237
Otto Chrons (@ochrons)

ochrons

Scala, Assembly, JavaScript
725
star
238
Irtiza Hasan (@hasanirtiza)

hasanirtiza

Python
724
star
239
Javad Rajabzadeh (@Ja7ad)

Ja7ad

Go, HTML, JavaScript
723
star
240
Aarni Koskela (@akx)

akx

Python, JavaScript, TypeScript
719
star
241
@Seravo

Seravo

PHP, JavaScript, Python
719
star
242
Archontis Politis (@polarch)

polarch

MATLAB, JavaScript
718
star
243
Joonas Pääkkö (@joonaspaakko)

joonaspaakko

JavaScript, HTML, Vue
714
star
244
Ville Laurikari (@laurikari)

laurikari

C
711
star
245
Tero Lindeman (@kometbomb)

kometbomb

C++, C, Batchfile
708
star
246
Matias Korhonen (@matiaskorhonen)

matiaskorhonen

Ruby, JavaScript, Shell
704
star
247
Binghui Liu (@aceisScope)

aceisScope

Objective-C, Swift, HTML
703
star
248
Martin Vysny (@mvysny)

mvysny

Kotlin, Java, SCSS
692
star
249
Eero Talus (@eerotal)

eerotal

Python, C, Shell
689
star
250
Timo Lappalainen (@ttlappalainen)

ttlappalainen

C++, C
688
star
251
Jussi Hietanen (@jussihi)

jussihi

C, C++, CSS
686
star
252
Fotis Papadogeorgopoulos (@fpapado)

fpapado

JavaScript, Elm, TypeScript
686
star
253
Codemate Ltd (@CodemateLtd)

CodemateLtd

Dart, Java, Kotlin
683
star
254
Jaakko Kytölä (@jkytoela)

jkytoela

TypeScript
682
star
255
Joosua Santasalo (@jsa2)

jsa2

JavaScript, Shell, HTML
677
star
256
Kai Sellgren (@kaisellgren)

kaisellgren

Dart, JavaScript, C#
676
star
257
Lari Hotari (@lhotari)

lhotari

Java, Groovy, Shell
675
star
258
Ruuvi (@ruuvi)

ruuvi

C, JavaScript, Kotlin
674
star
259
Lauri Niskanen (@Ape)

Ape

Python, Lua, Shell
674
star
260
Maunium (@maunium)

maunium

HTML, Go, Dockerfile
671
star
261
Surfaces and Interfaces at the Nanoscale (@SINGROUP)

SINGROUP

Python, Jupyter Notebook, C++
668
star
262
Valohai (@valohai)

valohai

Python, Shell, Java
661
star
263
Mikko Rantanen (@Rantanen)

Rantanen

JavaScript, Rust, C++
661
star
264
Eero af Heurlin (@rambo)

rambo

C++, Python, Arduino
654
star
265
Automating GIS processes (@Automating-GIS-processes)

Automating-GIS-processes

Jupyter Notebook, HTML, Python
654
star
266
Ville V. Vanninen (@sakamies)

sakamies

JavaScript, CSS
646
star
267
Speechly (@speechly)

speechly

TypeScript, Go, Swift
645
star
268
Risto Saarelma (@rsaarelm)

rsaarelm

Rust, C, Python
643
star
269
HSL Developer Community (@HSLdevcom)

HSLdevcom

JavaScript, Python, Shell
643
star
270
Petri Paavola (@petripaavola)

petripaavola

PowerShell, HTML
640
star
271
Samuel Laurén (@Soft)

Soft

Rust, Python, C
638
star
272
Henri Tuhola (@cheery)

cheery

Python, JavaScript, C++
635
star
273
Timo Suoranta (@tksuoran)

tksuoran

C++, C#, C
633
star
274
Aalto Speech Research (@aalto-speech)

aalto-speech

Python, Jupyter Notebook, C++
627
star
275
@alamminsalo

alamminsalo

Rust, C++, QML
626
star
276
Toni Wilen (@tonioni)

tonioni

C, C++
621
star
277
Ville Säävuori (@Uninen)

Uninen

Vue, TypeScript, CSS
619
star
278
Hexlet Basics (@hexlet-basics)

hexlet-basics

Makefile, JavaScript, Java
618
star
279
Erno Aapa (@ernoaapa)

ernoaapa

Go, Shell, JavaScript
610
star
280
Hollow Man (@HollowMan6)

HollowMan6

Python, JavaScript, HTML
610
star
281
Jukka Kurkela (@kurkle)

kurkle

JavaScript
606
star
282
Henri Sivonen (@hsivonen)

hsivonen

Rust, HTML, Python
602
star
283
Eetu Mäenpää (@Eldemarkki)

Eldemarkki

TypeScript, C#, ShaderLab
601
star
284
David Díaz-Guerra Aparicio (@DavidDiazGuerra)

DavidDiazGuerra

Python, C++, Cuda
597
star
285
Mikko Koponen (@mtkopone)

mtkopone

Scala, JavaScript, Java
596
star
286
@babakDoraniArab

babakDoraniArab

HCL, JavaScript, Dockerfile
596
star
287
Lasse Lukkari (@lasselukkari)

lasselukkari

C++, JavaScript
595
star
288
Henrik Huttunen (@egaga)

egaga

JavaScript, Elm
593
star
289
Xiao Han (@xiaohan2012)

xiaohan2012

Python, Jupyter Notebook, JavaScript
591
star
290
@Didstopia

Didstopia

Shell, Dockerfile, C#
587
star
291
Rasmus Lövegren (@FruitieX)

FruitieX

JavaScript, TypeScript, Rust
585
star
292
Nikodemus Siivola (@nikodemus)

nikodemus

Common Lisp, Smalltalk
581
star
293
Joonas Westlin (@juunas11)

juunas11

C#, JavaScript, HTML
580
star
294
Erik S. V. Jansson (@CaffeineViking)

CaffeineViking

C++, TeX, R
579
star
295
Kisko Labs (@kiskolabs)

kiskolabs

Ruby, Dockerfile, JavaScript
578
star
296
Atte Juvonen (@baobabKoodaa)

baobabKoodaa

JavaScript, Java
577
star
297
Meeshkan (@meeshkan)

meeshkan

TypeScript, Python, JavaScript
571
star
298
Jaan Tollander de Balsch (@jaantollander)

jaantollander

Julia, Python, Jupyter Notebook
570
star
299
Tomi Turtiainen (@tomi)

tomi

JavaScript, TypeScript, F#
569
star
300
Open Source Hacker (@opensourcehacker)

opensourcehacker

Python
567
star

Statistics

By location

Helsinki 56.1%
Tampere 10.8%
Espoo 10.6%
Oulu 5.5%
Turku 5.3%
Other 11.8%

By programing language

JavaScript
22.0%
Python
16.5%
C++
8.6%
Java
6.9%
TypeScript
6.3%
Other
39.7%

World rating by programing language (country/rank)

Clojure
5
MATLAB
19
Rust
21
C++
23
C
23

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