AI · alternatives · 2026

24 alternatives to Godwit

An open-source, AI-native email client

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 3 we have checked on their own sites, 3 of them free or with a free tier.

1. 1FM
   Flute – my attempt at a better email API▲40

   2018 · flutemail.com · its alternatives →

2. 2
   MachineMail▲123

   Real inboxes for AI agents, with trust built in

   3d ago · machinemail.dev · its alternatives →

3. 3
   Helo▲103

   An independent email API from former Postmark folks

   Sep 2026 · helohq.com · its alternatives →

4. 4
   Relaticlefree tier, from $19/mo▲170

   Open-source CRM with approval-gated AI writes

   Sep 2026 · relaticle.com · its alternatives →

5. 5
   Kiwi▲114

   A proactive AI assistant that texts you before you ask

   11d ago · heykiwi.co · its alternatives →

6. 6
   Pingly▲86

   A new messaging platform working to evolve email

   2014 · its alternatives →

7. 7
   Mailcloud▲110

   A New Way to Email

   2014 · mailcloudapp.com · its alternatives →

8. 8
   FutureMail▲52

   Email on your domain, built for people and their AI agents

   27d ago · futuremail.dev · its alternatives →

9. 9
   Boxer▲73

   The first open platform for mobile email

   2014 · omnissa.com · its alternatives →

10. 10
    Xem▲69

    Open-source email marketing with managed SMTP

    Sep 2026 · xem.email · its alternatives →

11. 11
    Iterable▲94

    Smarter email marketing

    2014 · iterable.com · its alternatives →

12. 12
    MailMentor▲162

    A data driven approach to writing better email

    2015 · mailmentor.io · its alternatives →

13. 13
    Aboardly – IFTTT for automated customer emailing▲9

    2015 · aboardly.com · its alternatives →

14. 14
    WapiSender▲69

    Powerful WhatsApp automations with AI, visual flows and MCP

    Sep 2026 · wapisender.com · its alternatives →

15. 15G
    GotEmail▲63

    A fast, native Mac mail app for all your inboxes

    16d ago · gotemail.com · its alternatives →

16. 16
    OpenSource Email Template▲109

    Responsive, Free, and Community Driven

    2014 · dyspatch.io · its alternatives →

17. 17
    IntellAgents.iofree tier, from $20/mo▲85

    One AI agent for every call, chat, and DM

    Sep 2026 · intellagents.io · its alternatives →

18. 18
    MailPile▲75

    A fast, responsive open source email client

    2014 · mailpile.is · its alternatives →

19. 19
    Mantlefree tier▲58

    Open-source service builder for humans and AI agents

    Sep 2026 · mantle.tools · its alternatives →

20. 20
    Edison Mail▲6

    An AI assistant to assist with email overload

    2017 · apps.apple.com · its alternatives →

21. 21PO
    ParseMail.org – A tool for email admins▲8

    2015 · parsemail.org · its alternatives →

22. 22OS
    Open-source collection of email tips and workflows▲7

    2020 · inboxze.ro · its alternatives →

23. 23
    Threads▲3

    Automated Behavior-Driven Email

    2015 · its alternatives →

24. 24AA
    An automatic email endpoint for any domain▲7

    2014 · questo.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 →