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
Sales engagement in Gmail with sequences, open tracking, meeting scheduling and AI writing for outreach and follow-ups.
Not enough info yet on free plan or free tier, works with Outlook, 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.