One intuitive workspace to manage your Emails, To-do's, Projects, Sales, Client Service, CRM and Teamwork ... right in GMAIL!
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.
Shortwave - Email smarter & faster with a reinvented experience for your Gmail
Drag for Gmail - Transform Gmail into organized To Do lists (like Trello)
Gmail Add-ons - Work with your favorite business apps directly in Gmail
HEY - Email at its best, new from Basecamp.
Gmail Tabs by cloudHQ - No more scrolling for Gmail Labels by alphabetical order