Life & fun · 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. Automatically synchronized Gmail inboxes for support and sales teams launched in 2019; newer entries below may have overtaken it.

1. 1
   Umbra Mail▲76

   A calmer Gmail where emails look like chat threads

   4d ago · umbra.masn.studio · its alternatives →

2. 2
   Pigeon for Gmail▲427

   Mail merge, auto follow ups, CRM inside your Gmail

   2021 · trypigeon.co · its alternatives →

3. 3G
   GotEmail▲63

   A fast, native Mac mail app for all your inboxes

   3d ago · gotemail.com · its alternatives →

4. 4
   Superdraft▲82

   Automatically identify opportunities to email your customers

   9d ago · superdraft.ai · its alternatives →

5. 5
   Promptly▲137

   Customer support emails, supported with autopilot

   2021 · its alternatives →

6. 6
   InboxPro▲174

   Boost your productivity & turn Gmail into a powerful machine

   2022 · inboxpro.io · its alternatives →

7. 7
   Xem▲69

   Open-source email marketing with managed SMTP

   Sep 2026 · xem.email · its alternatives →

8. 8
   RightInbox▲71

   Schedule Emails in Gmail. Set Reminders and Follow Up

   2014 · rightinbox.com · its alternatives →

9. 9
   Sellio▲90

   AI customer support in one shared inbox powered by AI agents

   19d ago · sellio.chat · its alternatives →

10. 10
    Helo▲103

    An independent email API from former Postmark folks

    23d ago · helohq.com · its alternatives →

11. 11FM
    Flute – my attempt at a better email API▲40

    2018 · flutemail.com · its alternatives →

12. 12
    Auto Gmail▲82

    Let AI draft answers to all your inbound emails

    2023 · chromewebstore.google.com · its alternatives →

13. 13PA
    Paceable - An easy way to manage Group Emails▲6

    2013 · slideshare.net · its alternatives →

14. 14EE
    Email Extractor for Newsletter Marketing – Google Inbox▲8

    2018 · emailextractor.online · its alternatives →

15. 15
    Shared Inbox for Gmail and Slack▲20

    Effortlessly collaborate on emails right inside your Gmail inbox. Try the leading shared inbox software designed for Google Workspace and Gmail. Start for free today!

    2020 · gmelius.com · its alternatives →

16. 16GA
    Gmail Add-On: Collect Emails from Slack for Use in to Field▲5

    2018 · medium.com · its alternatives →

17. 17
    Free Email Tracker for Gmail▲7

    2017 · chrome.google.com · its alternatives →

18. 18
    Vocal – Send Voice Messages in Gmail▲9

    2021 · chrome.google.com · its alternatives →

19. 19AA
    An automatic email endpoint for any domain▲7

    2014 · questo.email · its alternatives →

20. 20CA
    Cue – A simple CRM tool that automates reminder emails▲6

    2016 · getcueapp.com · its alternatives →

21. 21
    Aboardly – IFTTT for automated customer emailing▲9

    2015 · aboardly.com · its alternatives →

22. 22
    Prevent email forgery in Gmail using a Blockchain-powered architecture▲19

    Our AI Assistants sort your emails and draft replies, while Gmelius shared inboxes help your team take over conversations so you don't have to. Start for free.

    2018 · gmelius.com · its alternatives →

23. 23
    InboxFlow▲6

    Your Gmail becomes an intelligent automation hub

    2025 · its alternatives →

24. 24PO
    ParseMail.org – A tool for email admins▲8

    2015 · parsemail.org · 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 →