Growth · alternatives · 2026

24 alternatives to Fastmail

Email on your side

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Fastmail launched in 2021; newer entries below may have overtaken it.

1. 1
   Fastmail▲82

   A privacy focused email client

   2019 · fastmail.com · its alternatives →

2. 2
   Sidemail▲494

   Quick & easy email for all your side projects

   2018 · sidemail.com · its alternatives →

3. 3
   OnMail▲111

   New email service where you're in control

   2020 · its alternatives →

4. 4
   Sidemail 2.0▲306

   Hi all! I'm Kristyna, maker of Sidemail. I'd love to share with you what we've been building. We built Sidemail because sending emails from a SaaS app was way harder than it should be. Sidemail is made for developers and teams that want one simple place to handle SaaS emails with reliable delivery and no bloat. It has: - Everything for creating, managing and delivering SaaS emails in one platform, - Easy-to-use email API for sending password resets, receipts, etc. - Messenger for writing product updates and newsletters, - Email automations for onboarding and lifecycle flows, - Fast email…

   Nov 2025 · sidemail.io · its alternatives →

5. 5
   ProtonMail▲199

   End-to-end encrypted email - now on iOS & Android

   2016 · proton.me · its alternatives →

6. 6
   Anymail finder▲629

   Quickly find anyone's email at any company

   2015 · anymailfinder.com · its alternatives →

7. 7
   Dmail▲87

   A privacy focused email provider using Blockchain technology

   2019 · dmail.online · its alternatives →

8. 8
   Polymail Pro▲597

   The ultimate email productivity app for business 💌

   2016 · polymail.io · its alternatives →

9. 9
   Front (for Android)▲97

   The easiest way to work with team inboxes (on Android!)

   2017 · play.google.com · its alternatives →

10. 10
    Front (iOS)▲379

    The easiest way to work with team inboxes (on your iPhone!)

    2015 · front.com · its alternatives →

11. 11
    iMailer▲115

    Email for busy professionals

    2022 · its alternatives →

12. 12
    Front for iOS▲406

    The first inbox for teams

    2016 · front.com · its alternatives →

13. 13
    Morning Mail▲301

    A new way to manage your mail. Tinder for email.

    2016 · olet.cc · its alternatives →

14. 14
    Inbox AI▲201

    AI-Powered Personal Productivity

    2024 · its alternatives →

15. 15
    ProtonMail 2.0▲214

    Secure email that respects your privacy, with slick new look

    2021 · proton.me · its alternatives →

16. 16
    Inbox Zero▲185

    Here’s how the most productive people manage their inbox.

    2020 · its alternatives →

17. 17
    Spark 2.0▲211

    Revolutionary email for teams

    2018 · sparkmailapp.com · its alternatives →

18. 18
    Airmail for iOS▲360

    One of the best Mac email clients, now on iPhone

    2016 · airmailapp.com · its alternatives →

19. 19
    Keepmail▲146

    Secure and private email forwarding service

    2023 · its alternatives →

20. 20
    Edison Mail▲127

    Your email with an assistant built in

    2016 · edisonmail.com · its alternatives →

21. 21
    FastMail▲7

    Email, calendars and contacts done right.

    2016 · fastmail.com · its alternatives →

22. 22
    Canary Mail▲122

    Privacy-friendly email app for macOS, iOS & Android

    2021 · play.google.com · its alternatives →

23. 23
    Spark for Android▲293

    The much beloved email client now on Android

    2019 · play.google.com · its alternatives →

24. 24
    EmailOnDeck▲117

    Free & fast, temporary emails in 2 easy steps

    2016 · emailondeck.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →