Toby - Better Than Bookmarks
Sortd - Rated the #1 App for Gmail
Weava - Workspace to highlight, organize & collaborate on your research articles.
KanbanMail - A Kanban board for your emails.
Corrello - Dashboards for agile teams using Trello
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.