Boomerang adds scheduled sending and the easiest, most integrated email reminders to Gmail, helping you reach Inbox Zero. Developed by Baydin, Inc.
License: Freemium
Boomerang excels in email scheduling and tracking, making it ideal for individual users seeking efficient email management. Gmelius, on the other hand, is more focused on team collaboration and project management, offering features that facilitate shared inboxes and task tracking.