Dev tools · alternatives · 2026

24 alternatives to Mail This

Form submit API & form to mail as a service

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mail This launched in 2015; newer entries below may have overtaken it.

1. 1
   Postal▲231

   Open source mail delivery platform

   2017 · github.com · its alternatives →

2. 2
   Context.IO▲226

   API for email inboxes

   2015 · its alternatives →

3. 3
   Form.io▲74

   Combined FORM & API Platform for Developers

   2016 · form.io · its alternatives →

4. 4
   Email Validator!▲193

   Free JSON API that gives you a simple way to validate emails

   2015 · garridodiaz.com · its alternatives →

5. 5
   Submit JSON▲127

   Easy form submissions and email notifications

   2023 · submitjson.com · its alternatives →

6. 6
   Submittable▲78

   Accept and manager incoming email, media or documents

   2014 · submittable.com · its alternatives →

7. 7
   WP Email Delivery▲104

   Managed email delivery for WordPress

   2015 · wpemaildelivery.com · its alternatives →

8. 8
   Magic▲165

   Fills in signup forms with just an email address

   2015 · its alternatives →

9. 9
   AppMail▲68

   The ultimate e-mail platform for developers

   2016 · appmail.io · its alternatives →

10. 10
    Postmen▲121

    Shipping application & API for eCommerce

    2016 · aftership.com · its alternatives →

11. 11
    Mailjet▲52

    Deliver all your email with our web tool, SMTP relay and API

    2015 · mailjet.com · its alternatives →

12. 12
    Gmail API▲170

    Flexible, RESTful access to the user's inbox

    2014 · developers.google.com · its alternatives →

13. 13
    Future Me▲105

    Send an email to your future self

    2014 · futureme.org · its alternatives →

14. 14PE
    Public email API for your apps, sites, contact forms▲6

    2015 · mailthis.to · its alternatives →

15. 15
    Endpoint Space▲134

    Simple solution for developers to get submissions from forms

    2022 · its alternatives →

16. 16
    Subbscribe▲179

    Opt-in popup form to collect email address on your site

    2015 · subbscribe.com · its alternatives →

17. 17
    Outline Mail▲80

    Making HTML email ridiculously easy

    2016 · its alternatives →

18. 18
    Mailcloud▲110

    A New Way to Email

    2014 · mailcloudapp.com · its alternatives →

19. 19
    Respondly▲132

    Team Inbox for Email & Twitter

    2014 · its alternatives →

20. 20
    WeMail▲84

    E-mail that puts people first (Android)

    2014 · wemailapp.com · its alternatives →

21. 21
    MailDrop▲146

    Disposable email to save your inbox from spammers

    2015 · maildrop.cc · its alternatives →

22. 22
    Maildown – Super Simple Email API▲98

    A super simple CLI for sending emails. Contribute to chris104957/maildown development by creating an account on GitHub.

    2019 · github.com · its alternatives →

23. 23
    Senders▲82

    Caller ID for your email

    2016 · sende.rs · its alternatives →

24. 24
    PostX▲59

    Make email useful

    2014 · 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 →