Meetabit
All the local tech and startup meetups in one place - easy to organize & attend.
Communities
ACM SIGGRAPH Helsinki
Agile HR Finland
AIHelsinki
Algorithmic Trading (Automated / High-Frequency) Anonymous
Angular2 Hangouts on Air
AngularJS Helsinki
Ansible Helsinki
Apache Spark Meetup
B.U.I.L.D Helsinki
DevOps Finland
DIGIROCKSTAS
Drupal Café
eCommerce Helsinki
Elixir Helsinki
Ember.js Helsinki
FinJUG
Finland AWS Meetup
Finland Azure User Group
Finland Emacs User Group
Finland MongoDB User Group- FinTechTech Helsinki
FIVR
Free Code Camp Helsinki
Frontend.fi
FuckUp Nights Helsinki
Future Female
Future Frontend
GDG Helsinki
Girls in Tech -Helsinki
GraphQL Helsinki
GrowSmart
Hacks/Hackers Helsinki- Headless Helsinki
HelNode
Helsinki AIA
Helsinki Android Meetup
Helsinki Bitcoin Hobbyists
Helsinki Cassandra Users- Helsinki Cloud BI Meetup
- Helsinki Customer Success Meetup
- Helsinki Data Analysis
- Helsinki Data Analytics & Science Meetup
Helsinki Elm Community (Elmsinki)
Helsinki Ethereum Meetup- Helsinki Functional Programming Study Group
- Helsinki Functional Reactive Programming Pioneers
- Helsinki Global Talents
Helsinki GTD Meetup
Helsinki Haskell Users Group
HelsinkiJS- Helsinki Legal Tech Meetup
Helsinki Meta-Meetup
Helsinki OpenCoffee Meetup
HelsinkiOS
Helsinki Perl Mongers
Helsinki PHP / Symfony Meetup
Helsinki PostgreSQL Meetup
Helsinki PyLadies 
Helsinki Python Workshops
Helsinki Reddit Meetup- Helsinki Robotics Meetup
Helsinki Ruby Brigade
Helsinki SaaS Meetup
Helsinki Scala Club
Helsinki Search and Findability Meetup- Helsinki Security Meetup
- Helsinki Serverless
- Helsinki Social Entrepreneurship Meetup
- Helsinki Web Accessibility Meetup
Helsinki WebGL Meetup
HelYes Meetup
HRTech.fi
IGDA Finland
Impact Iglu
Interactive Visualization Helsinki
Internet of Things Helsinki
IxDA Helsinki
Jallu Friday- Kubernetes and CNCF Finland Meetup
Lean Startup Helsinki 
Likemind Helsinki
Management 3.0 Meetup Helsinki- Marketing Meetup Helsinki
Markku.Ai Self Driving Racers
Mastra Helsinki Group
Metrics Monday- Microsoft Talo Toastmasters Meetup
- Microsoft Tech Finland
Mobile Developers Finland
Mobile Monday Helsinki
.NET Finland
Nordic Founders- Open Data Finland
Open Finland Challenge
Open ML Helsinki
OpenShift Finland
OpenStack User Group Finland
OpenVZ
OWASP Finland
Pebble Smartwatch Helsinki Meetup
PHP User Group Finland
Platform & Infrastructure Community Finland
PMI Helsinki meetup- Practical AI for Business Helsinki
Product Camp Helsinki
ProductTank Helsinki
PyData Helsinki
Python Helsinki
Quantified Self & Biohacking Finland
React Helsinki
Reason Helsinki
Red Hat User Group Finland
Sales Engineering Finland
SDLCAI
SharePoint & Office 365 User Group Finland
Startup Grind Helsinki
Startup Helsinki
Startup Weekend Helsinki
Switch Case Koodikummit
TA Café Helsinki
Techcode Finland
Tech Excellence Finland
Tech Excellence - Women Edition
The Shortcut
Thoughtworks Finland 
Tiistai-klubi
Tough Talks
UXify Helsinki- Vantaa WebDev
Vietnamese Tech Community in Finland
Vue.js Finland
WordPress Helsinki
XR Nation
Yrittäjä Meetup
Zalando Tech Events Helsinki
Sponsors
Aller Media
Alma Media
AlphaSense
Antler
Basware
Columbia Road
Crasman
DataCrunch
Eficode
Elisa
EzyInsights
Finnair
Foodie.fm
Fraktio
Frantic
Frosmo
Futurice
Gofore
Google
Helsinki Business Hub
HiQ
Hive
Hogrefe
Holvi 
Klevu
LocalBitcoins
Microsoft
Netlight
Nitor
Nord Software
Oppex
OP Pohjola
Posti
Qvantel
Qvik
Reaktor
Relex
Sanoma
SC5 Online
Siili Solutions
Smartly
SOK
Solita
Supermetrics
Swappie
Swarmia
Techcode Finland
Tieto CEM
Toughbyte
Unity
Vendep
Verda
Vincit
Wave Ventures
Wolt
Wunderdog
Yousician
Zalando