front page - give indication of other user activity

To encourage people that this is an active project, maybe you could show a summary - recent history of additions - on the front page (e.g. 'user blah blah added N labels to X; user foo added M labels to Y..' .. or perhaps an activity graph.

This would just be to re-assure people that the project is active, not forgotten, etc.. give a sense of an active community