Growth · alternatives · 2026

24 alternatives to SharedBox

Shared inbox for your team; in Slack

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. SharedBox launched in 2018; newer entries below may have overtaken it.

1. 1
   SharedInbox▲112

   Send or receive emails from Slack

   2021 · sharedinbox.co · its alternatives →

2. 2
   Slack Shared Channels▲480

   Work with anyone in Slack

   2017 · slack.com · its alternatives →

3. 3
   Slack▲2,714

   Be less busy. Real-time messaging, archiving & search.

   2013 · slack.com · its alternatives →

4. 4
   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 →

5. 5
   ClearFeed▲510

   Convert multiple Slack channels into a shared Inbox

   2023 · clearfeed.ai · its alternatives →

6. 6
   Thread Messaging on Slack▲710

   Keep conversations organized and easy to follow with Threads

   2017 · slack.com · its alternatives →

7. 7
   Interactive Screen Sharing in Slack▲759

   The next best thing to working in the same room

   2017 · slack.com · its alternatives →

8. 8
   Papercups: Shared Inbox▲27

   Reply to Emails, Chat, and SMS from Slack

   2021 · papercups.io · its alternatives →

9. 9
   Trello for Slack▲636

   Organize anything with anyone, inside Slack

   2016 · trello.com · its alternatives →

10. 10
    Front 2.0▲500

    Shared team inboxes to manage Email, Twitter, SMS & more

    2014 · front.com · its alternatives →

11. 11
    Slack with your Users▲339

    Speak to your app's users entirely within Slack

    2015 · its alternatives →

12. 12
    Slack for Mac▲937

    A new, improved Slack desktop app for Mac

    2016 · slack.com · its alternatives →

13. 13
    UnInbox: Spaces & Workflows▲251

    Open source collaborative email platform to get shit done

    2024 · uninbox.com · its alternatives →

14. 14
    Loop Email▲257

    Emailing for teams: Organize your Inbox into channels 💌

    2018 · intheloop.io · its alternatives →

15. 15
    Intercom for Slack▲482

    Chat, qualify and close leads directly from Slack

    2018 · intercom.com · its alternatives →

16. 16
    Helpwise▲131

    Shared inbox for your team email addresses

    2019 · helpwise.io · its alternatives →

17. 17
    Front (iOS)▲379

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

    2015 · front.com · its alternatives →

18. 18
    Our Shared Inbox▲84

    Share & receive emails with your whole QA and dev team

    2023 · its alternatives →

19. 19
    Dialogs by Slack▲396

    Build interactive forms in Slack that do all sorts of things

    2017 · docs.slack.dev · its alternatives →

20. 20
    Slackbox▲181

    Spotify playlist collaboration through Slack

    2015 · github.com · its alternatives →

21. 21
    Alert.email▲250

    Get your important emails delivered to a Slack channel

    2016 · its alternatives →

22. 22
    Front 3.0▲400

    Team Inboxes for Email, Twitter, Text & more

    2016 · front.com · its alternatives →

23. 23
    Slackline▲201

    Shared channels between Slack teams

    2014 · its alternatives →

24. 24
    Slack E-mail Add-ins▲146

    Quickly forward emails and attachments to Slack

    2019 · slack.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 →