Mailing the story:
Kupfer, Synapse - Two Ubercool GNOME Do Alternatives
This is why I love Linux. If you don't like one application, choose from the alternatives, simple as that. GNOME Do is an incredible launcher application for Ubuntu. But since GNOME Do is basically a Mono application, many might refrain from using it. But don't worry, Synapse and Kupfer are equally good or even better GNOME Do alternatives. Learn more.