Since there doesn't seem to already be a thread for it, I'll make one. Skye is an upcoming avatar site created by Heart Level Up and should be coming out soon. They're taking inspiration from Tinier Me and similar sites. Beta registration is available but you can't login to it yet. Currently they're working on finishing the avatars and making sure there's plenty of content upon launching.
Here's an example of the avatars. The uniform there is the one you get when you join o3o
Their Facebook page is most active with updates.