devALPO 2023

devALPO is event targeted to FOSS4G developers or those who would like to be developers.

devALPO 2023 will be on Thursday, 12th of Oct 2023. Presentations will be held in English, if participants are non-Finnish speaking (at least slides are in English). Afternoon workshop about Hakuna will be bilingual.


Reaktor office, 6th floor (Yliopistonkatu 4, Helsinki)
Enter this door and use the doorbell at the elevators.


TimeTitle and presenter
09:00Morning coffee
Pekka Sarkola, president of OSGeo Suomi ry
09:30Introduction to Signal K –  open data format for marine use
Teppo Kurki, Reaktor
10:00Lake bottom DEMs from open data with GDAL and GMT
Jukka Rahkonen, National Land Survey of Finland.
Project Steering Committee member in GDAL, GeoServer, and MapServer projects.
10:30Improving QGIS plugin developer experience – TBC
Antero Komi, National Land Survey of Finland
11:00Oskari Embedded Maps and integrations with RPC API
Timo Aarnio, Gispo Oy
12:00Lunch break (self-organized)
13:00Hakunapi workshop
Hakunapi is OGC API Features Server, see more in GitHub (
Intro and background: Teemu Sipilä and Jukka Rahkonen, National Land Survey of Finland
Workshop: Janne Heikkilä, Ubigu Oy

Bring your own computer to learn how to build fast OGC API Features Server!
15:00Coffee break
15:30Hakunapi workshop – part II


Registration is open, just fill the form!


Unfortunately not. We don’t have resources to organise this. If you like to volunteer, please contact us.