FollowUpThen Alternatives

Boomerang for Gmail is a Firefox / Chrome plugin that lets you take control of when you send and receive email messages.

FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.

Gmelius turns Gmail into your team’s workspace, to manage clients & projects within your inbox.

freemium $9.0 / Monthly

Valid personal & work emails and phone numbers. Real-time verified contact info for recruiters, sales professionals, and marketeers.

Prospecting, like a boss. Find any email, reach out, measure everything and integrate with your CRM.

Schedule Emails in Gmail To Be Sent Later

Sales Engagement platform with bunch of sales engagement tools like Email Tracking, Document Tracking, Mail Merge etc. to boost sales teams productivity.

Vocus.io is a productivity tool for Gmail available as a Chrome extension.

Automatic follow up emails. Keeps on bumping until you get a reply.

Sell smarter with email tracking and more

LetterMeLater.com allows you to send emails to anyone, with the ability to have them sent at any future date and time you choose.

Never-Forget.me is a delayed messaging service allowing you to compose email messages now which remain unsent as long as you click a link, at a recurring interval you specify, to continue to postpone the sending of your message

Simply powerful CRM. Automates your data to build better relationships and make more sales.