Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Flute – my attempt at a better email API launched in 2018; newer entries below may have overtaken it.

1. 1
   Helo▲103

   An independent email API from former Postmark folks

   23d ago · helohq.com · its alternatives →

2. 2
   MailMentor▲162

   A data driven approach to writing better email

   2015 · mailmentor.io · its alternatives →

3. 3
   Pingly▲86

   A new messaging platform working to evolve email

   2014 · its alternatives →

4. 4
   Xem▲69

   Open-source email marketing with managed SMTP

   Sep 2026 · xem.email · its alternatives →

5. 5
   Mailcloud▲110

   A New Way to Email

   2014 · mailcloudapp.com · its alternatives →

6. 6PO
   ParseMail.org – A tool for email admins▲8

   2015 · parsemail.org · its alternatives →

7. 7OS
   Open-source collection of email tips and workflows▲7

   2020 · inboxze.ro · its alternatives →

8. 8
   Iterable▲94

   Smarter email marketing

   2014 · iterable.com · its alternatives →

9. 9
   bipio▲76

   A Personal API for Email and Web Apps

   2014 · bip.io · its alternatives →

10. 10
    Umbra Mail▲76

    A calmer Gmail where emails look like chat threads

    5d ago · umbra.masn.studio · its alternatives →

11. 11
    Boxer▲73

    The first open platform for mobile email

    2014 · omnissa.com · its alternatives →

12. 12G
    GotEmail▲63

    A fast, native Mac mail app for all your inboxes

    3d ago · gotemail.com · its alternatives →

13. 13CE
    Capture emails with 5 lines of code▲8

    Capturing emails always sucked. I don't want to add a full-blown newsletter API. That's why I've created my own tool. Would love your feedback on this

    2024 · mailee.dev · its alternatives →

14. 14
    Rettach▲7

    Virtual assistant for organizing email attachments

    2017 · forsale.godaddy.com · its alternatives →

15. 15IM
    I made a tool that helps you create email signatures and share to team▲7

    2021 · mailswype.io · its alternatives →

16. 16
    Aboardly – IFTTT for automated customer emailing▲9

    2015 · aboardly.com · its alternatives →

17. 17PA
    Paceable - An easy way to manage Group Emails▲6

    2013 · slideshare.net · its alternatives →

18. 18
    Ivelope▲7

    making email better

    2018 · ivelope.com · its alternatives →

19. 19DE
    Drip – Email Marketing Automation Software▲5

    2015 · getdrip.com · its alternatives →

20. 20MA
    Milliner - A web app to quickly visually create responsive HTML emails▲6

    2019 · milliner.app · its alternatives →

21. 21EE
    Email Extractor for Newsletter Marketing – Google Inbox▲8

    2018 · emailextractor.online · its alternatives →

22. 22FA
    Flawless - a Python framework for reporting exceptions via email▲5

    2013 · shopkick.github.com · its alternatives →

23. 23IM
    I made a privacy-first email analytics software▲6

    2018 · mailspice.com · its alternatives →

24. 24AP
    API powered by machine learning to detect disposable emails▲5

    2020 · categorize.email · 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 →