Boomerang
Gmail and Outlook add-on that schedules sends, brings back messages that get no reply, and checks drafts with its Respondable feature.
- Free plan or free tier
- Works with Gmail
- Works with Outlook
Email tracking, templates and follow-up campaigns for sales teams working in Gmail and Outlook.
Not enough info yet on free plan or free tier, mobile app, developer API. Check the tool's own site.
Listing written by MailOverload, checked 2026-11-03. Report a correction or request removal. Back to follow-ups and reminders.