As I have mentioned the project already on the list, I thought it might be good to give it its own thread.
https://github.com/zesch/inception-analytics
It is still in early development, but might already be useful as a starting point.
We currently only support flat span annotations, but chain and nested annotations are on the wish-list.
Let us know what you think and what features are missing. Contributions highly welcome.
-Torsten
On behalf of all developers. Special thanks to Marius.