Boomerang is a classic Gmail productivity tool you may have already heard of.
With their tool, you can remind yourself to follow up with someone if you don't hear from them. They also have some cool features like scheduled sending and "Inbox Pause".
- Free plan
- Personal - $5/month
- Pro - $15/month
- Premium - $50/month
"We use Boomerang for Gmail because we work on different hours than most people so we can type emails at 10pm and boomerang them to send at 7am and have a response by the time we wake up."