🇫🇮 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

6,765

Organizations

766

Repositories

45,816

Top Rank

Clojure, MATLAB, Rust

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

Top Contributors

201
Tomasz Czajęcki (@tchayen)

tchayen

TypeScript, JavaScript, C++
826
star
202
Inan Evin (@inanevin)

inanevin

C++, C#, Java
824
star
203
Solita (@solita)

solita

Java, Clojure, JavaScript
815
star
204
@TIERS

TIERS

C++, Python, Jupyter Notebook
810
star
205
Jaakko Lukkari (@orktes)

orktes

Go, JavaScript, CoffeeScript
809
star
206
City of Helsinki (@City-of-Helsinki)

City-of-Helsinki

Python, TypeScript, JavaScript
799
star
207
@lassik

lassik

Emacs Lisp, Scheme, Elm
798
star
208
Hexlet Boilerplates (@hexlet-boilerplates)

hexlet-boilerplates

JavaScript, Makefile, HTML
797
star
209
Teemu Matilainen (@tmatilai)

tmatilai

Ruby, Shell, Vim Script
796
star
210
Anna-Maria Meriniemi (@TheAMM)

TheAMM

Python, Lua, C
784
star
211
Badrap Oy (@badrap)

badrap

TypeScript, JavaScript
783
star
212
Eetu Tuomala (@laardee)

laardee

JavaScript, Shell
779
star
213
Oona Räisänen (@windytan)

windytan

C++, C, Perl
774
star
214
Hannes Karppila (@Dentosal)

Dentosal

Rust, Python, HTML
766
star
215
Cauldron Development (@CauldronDevelopmentLLC)

CauldronDevelopmentLLC

C++, Python, CSS
764
star
216
Geniem Oy (@devgeniem)

devgeniem

PHP, JavaScript, Shell
752
star
217
Jason Robinson (@jaywink)

jaywink

Python, JavaScript, Shell
746
star
218
Matti Tahvonen (@mstahv)

mstahv

Java, CSS, HTML
746
star
219
Jarkko Sonninen (@kasbert)

kasbert

C, C++, Python
746
star
220
Casper Talvio (@CTalvio)

CTalvio

CSS, Squirrel
743
star
221
Intelligent Medical Systems Research Group (@Oulu-IMEDS)

Oulu-IMEDS

Python, Jupyter Notebook
743
star
222
National Library of Finland (@NatLibFi)

NatLibFi

JavaScript, Python, PHP
736
star
223
Tero Saarni (@tsaarni)

tsaarni

C++, Python, Go
736
star
224
Eemeli Kelokorpi (@ekelokorpi)

ekelokorpi

JavaScript
735
star
225
Janne Vanhala (@jpvanhal)

jpvanhal

Python, TypeScript, C++
733
star
226
Jussi Kuokkanen (@Lurkki14)

Lurkki14

Haskell, C++, Shell
731
star
227
Henri Parviainen (@henripar)

henripar

JavaScript, Vue, HTML
731
star
228
Dan Jacob (@danjac)

danjac

Python, JavaScript, Vue
726
star
229
Otto Chrons (@ochrons)

ochrons

Scala, JavaScript, Assembly
723
star
230
Henrik Nyman (@nyyManni)

nyyManni

C, Emacs Lisp, Python
720
star
231
Aarni Koskela (@akx)

akx

Python, JavaScript, TypeScript
719
star
232
Sami Perttu (@SamiPerttu)

SamiPerttu

Rust, C++, F#
718
star
233
Javad Rajabzadeh (@Ja7ad)

Ja7ad

Go, HTML, JavaScript
717
star
234
@Seravo

Seravo

PHP, JavaScript, Python
716
star
235
Codership (@codership)

codership

C, C++, JavaScript
715
star
236
Irtiza Hasan (@hasanirtiza)

hasanirtiza

Python
711
star
237
Ville Laurikari (@laurikari)

laurikari

C
711
star
238
Tero Lindeman (@kometbomb)

kometbomb

C++, C, Shell
708
star
239
Matias Korhonen (@matiaskorhonen)

matiaskorhonen

Ruby, JavaScript, Go
704
star
240
Binghui Liu (@aceisScope)

aceisScope

Objective-C, Swift, HTML
703
star
241
Martin Vysny (@mvysny)

mvysny

Kotlin, Java, SCSS
692
star
242
Osmo Salomaa (@otsaloma)

otsaloma

Python, CSS, QML
692
star
243
Timo Lappalainen (@ttlappalainen)

ttlappalainen

C++, C
688
star
244
Santtu Keskinen (@skeskinen)

skeskinen

Python, C++, Haskell
688
star
245
Fotis Papadogeorgopoulos (@fpapado)

fpapado

JavaScript, TypeScript, Elm
686
star
246
Jussi Hietanen (@jussihi)

jussihi

C, C++, CSS
686
star
247
Martin Björkström (@bjorkstromm)

bjorkstromm

C#, F#, JavaScript
683
star
248
Eero Talus (@eerotal)

eerotal

Python, C, Shell
681
star
249
Kai Sellgren (@kaisellgren)

kaisellgren

Dart, JavaScript, C#
676
star
250
Lauri Niskanen (@Ape)

Ape

Python, Shell, Ruby
674
star
251
Ruuvi (@ruuvi)

ruuvi

C, JavaScript, Kotlin
674
star
252
Maunium (@maunium)

maunium

HTML, Python, Dockerfile
671
star
253
Archontis Politis (@polarch)

polarch

MATLAB, JavaScript
666
star
254
Valohai (@valohai)

valohai

Python, Java, Shell
661
star
255
Mikko Rantanen (@Rantanen)

Rantanen

JavaScript, Rust, C++
658
star
256
Codemate Ltd (@CodemateLtd)

CodemateLtd

Dart, Java, Kotlin
658
star
257
Joonas Pääkkö (@joonaspaakko)

joonaspaakko

JavaScript, HTML, Vue
657
star
258
Joosua Santasalo (@jsa2)

jsa2

JavaScript, Shell, PowerShell
655
star
259
Eero af Heurlin (@rambo)

rambo

Python, C++, Arduino
646
star
260
Ville V. Vanninen (@sakamies)

sakamies

JavaScript, CSS
646
star
261
Lari Hotari (@lhotari)

lhotari

Java, Groovy, Shell
645
star
262
Risto Saarelma (@rsaarelm)

rsaarelm

Rust, C, Python
643
star
263
HSL Developer Community (@HSLdevcom)

HSLdevcom

JavaScript, Python, Shell
639
star
264
Speechly (@speechly)

speechly

TypeScript, Swift, Go
637
star
265
Jaakko Kytölä (@jkytoela)

jkytoela

TypeScript
637
star
266
Henri Tuhola (@cheery)

cheery

Python, JavaScript, CoffeeScript
635
star
267
Automating GIS processes (@Automating-GIS-processes)

Automating-GIS-processes

Jupyter Notebook, HTML, Python
627
star
268
Surfaces and Interfaces at the Nanoscale (@SINGROUP)

SINGROUP

Python, Jupyter Notebook, C++
624
star
269
@alamminsalo

alamminsalo

Rust, C++, QML
618
star
270
Aalto Speech Research (@aalto-speech)

aalto-speech

Python, C++, Jupyter Notebook
614
star
271
Hollow Man (@HollowMan6)

HollowMan6

Python, JavaScript, HTML
610
star
272
Erno Aapa (@ernoaapa)

ernoaapa

Go, Java, Shell
607
star
273
Samuel Laurén (@Soft)

Soft

Rust, C, Python
605
star
274
Mikko Koponen (@mtkopone)

mtkopone

Scala, JavaScript, Java
597
star
275
@babakDoraniArab

babakDoraniArab

HCL, JavaScript, Dockerfile
596
star
276
Xiao Han (@xiaohan2012)

xiaohan2012

Python, Jupyter Notebook, JavaScript
591
star
277
Toni Wilen (@tonioni)

tonioni

C, C++
587
star
278
Rasmus Lövegren (@FruitieX)

FruitieX

JavaScript, TypeScript, Rust
585
star
279
Eetu Mäenpää (@Eldemarkki)

Eldemarkki

C#, TypeScript, ShaderLab
581
star
280
Nikodemus Siivola (@nikodemus)

nikodemus

Common Lisp, Smalltalk
581
star
281
Kisko Labs (@kiskolabs)

kiskolabs

Ruby, Go, JavaScript
579
star
282
Erik S. V. Jansson (@CaffeineViking)

CaffeineViking

C++, TeX, Python
579
star
283
Atte Juvonen (@baobabKoodaa)

baobabKoodaa

JavaScript, Java
577
star
284
Ville Säävuori (@Uninen)

Uninen

Vue, TypeScript, CSS
573
star
285
Lasse Lukkari (@lasselukkari)

lasselukkari

C++, JavaScript
572
star
286
Meeshkan (@meeshkan)

meeshkan

TypeScript, Python, JavaScript
571
star
287
Open Source Hacker (@opensourcehacker)

opensourcehacker

Python
567
star
288
Tomi Turtiainen (@tomi)

tomi

JavaScript, TypeScript, HTML
566
star
289
@Didstopia

Didstopia

Shell, Dockerfile, JavaScript
565
star
290
Henrik Huttunen (@egaga)

egaga

JavaScript, Elm
563
star
291
Henri Sivonen (@hsivonen)

hsivonen

Rust, Python, C++
561
star
292
Jukka Kurkela (@kurkle)

kurkle

JavaScript
560
star
293
Joonas Westlin (@juunas11)

juunas11

C#, JavaScript, PowerShell
559
star
294
Christoph Gysin (@christophgysin)

christophgysin

C, JavaScript, C++
553
star
295
@MickGyver

MickGyver

C++, TypeScript
551
star
296
Timo Suoranta (@tksuoran)

tksuoran

C++, C#, C
550
star
297
Ville Helin (@vhelin)

vhelin

C
548
star
298
Mike Solomon (@mikesol)

mikesol

PureScript, Dhall, JavaScript
547
star
299
Sam Stenvall (@Jalle19)

Jalle19

PHP, JavaScript, Dockerfile
547
star
300
Henri Salo (@fgeek)

fgeek

Python
546
star

Statistics

By location

Helsinki 56.3%
Tampere 10.7%
Espoo 10.5%
Oulu 5.5%
Turku 5.2%
Other 11.7%

By programing language

JavaScript
21.8%
Python
16.4%
C++
8.6%
Java
6.9%
C
6.1%
Other
40.2%

World rating by programing language (country/rank)

Clojure
5
MATLAB
19
Rust
22
C++
23
C
23

* More analytics for signed in users.