I'm aware of racksh but it's not sinatra-specific. It has no knowledge of a sinatra app and thus can't give you sinatra-specific goodies that tux does: metrics

I'm aware of racksh but it's not sinatra-specific. It has no knowledge of a sinatra app and thus can't give you sinatra-specific goodies that tux does: metrics for your sinatra app (routes + settings) and commandline interaction with your helpers and view rendering