Tab Manager Plus for Chrome - The only tab manager you'll ever need
Sortd - Rated the #1 App for Gmail
Workona - A better way to work in the browser.
KanbanMail - A Kanban board for your emails.
Toby - Better Than Bookmarks
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.