20% off Boomerang for Gmail from Baydin
Boomerang for Gmail is a Firefox/Chrome plugin that lets you take control of when you send and receive email messages.
There are 3 main features: Send Later, Boomerang, and Response Tracking. With these features, you can schedule messages to send later, set email reminders for important messages, and track responses so that you never forget to follow up. Boomerang works with Gmail and Google Apps accounts.
20% off of Boomerang for Gmail subscriptions for .CO-ers!