Roblox - Reimagining the way people come together.
Shapeways - Shapeways - 3D Printing Service and Marketplace
BlockWorld - BlockWorld is the largest blockchain developer & technology conference in the world.
3D Hubs - Airbnb for 3D printing
Banished - As always, Email support (at) shiningrocksoftware (dot) com if you have any issues. This will likely be the last update of Banished, except for any major bug fixes. The OSX and Linux versions development has stopped, and won't be released.
i.materialise - i.materialise is an online 3D printing service, community and marketplace.