Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.
TubeLister - Generate a YouTube playlist from your opened tabs.
Streak - Manage customers inside Gmail
DiskyT - Youtube playlists done right
Pagevamp - Turn your Facebook page into a website.
OrganizeTube - Create video playlists from Youtube, Vimeo and other sources