I'm living in Helsinki and mostly mapping areas around Malminkartano, Kannelmäki, Maununneva and Hakuninmaa. At the moment in this area all ways for cars seem to be completed but many bike and pedestrian ways are still missing. I'm planning on mapping many of those missing ways next summer if no-one beats me to it.
As a hint: There are some unmapped pedestrian ways between Myyrmäki and Malminkartano. There is also work to be done in Maununneva and Hakuninmaa.