Software Alternatives, Accelerators & Startups


New email service where you're in control

OnMail Alternatives

The best OnMail alternatives based on verified products, community votes, reviews and other factors.
Filter: 2 Open-Source Alternatives

  1. Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues

    Open Source

  2. Email at its best, new from Basecamp.

    paid Free Trial $99.0 / Annually

  3. Warm up your cold email inbox, and never land in spam anymore!

    Try for free freemium $9.0 / Monthly

    Try for free
  4. Mailman is free software for managing electronic mail discussion and e-newsletter lists.

  5. Superhuman is an email management tool.

  6. Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates

  7. A Kanban board for your emails.

    paid Free Trial $8.0 / Monthly

  8. Secure email with absolutely no compromises. Get your free encrypted email account today.

    freemium €5.0 / Monthly (user - 5 GB)

  9. SaneBox is a cloud-based service that allows users to filter and manage their emails.

  10. Enhance Gmail to get your Google Inbox features back.

  11. Newton is a fully featured mail client available for Android, iOS, macOS and Windows.

  12. Native email app for email productivity.

  13. Rated the #1 App for Gmail


  14. Buy and sell handmade or vintage items, art and supplies on Etsy, the worlds most vibrant handmade...

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