Growth · alternatives · 2026

24 alternatives to Topicbox

Modern group email discussions

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Topicbox launched in 2017; newer entries below may have overtaken it.

1. 1
   Topicbox▲67

   Put team emails into one centralized, searchable place

   2019 · topicbox.com · its alternatives →

2. 2
   Ideabox▲188

   A place to store you million dollar ideas

   2015 · ideaboxapp.com · its alternatives →

3. 3
   Smartbox by Inbox▲117

   The mailbox of tomorrow, today

   2015 · blog.google · its alternatives →

4. 4
   UseINBOX▲98

   Professionally designed email templates 💌✨

   2017 · useinbox.com · its alternatives →

5. 5
   Groups.IO▲94

   Email Groups 2.0

   2014 · groups.io · its alternatives →

6. 6
   Topicflow▲132

   Productive and meaningful meetings, every time

   2022 · topicflow.com · its alternatives →

7. 7
   Handle▲229

   To-dos + Email + Calendar = Focus

   2015 · handle.com · its alternatives →

8. 8
   Threadable▲93

   Making group email lists less noisy, more actionable

   2014 · its alternatives →

9. 9
   Respondly▲132

   Team Inbox for Email & Twitter

   2014 · its alternatives →

10. 10
    Teams for Wire▲113

    Secure team messaging

    2017 · wire.com · its alternatives →

11. 11
    Hop▲171

    Turns email into a chat interface

    2014 · spikenow.com · its alternatives →

12. 12
    ChatInbox▲103

    Manage emails conversationally

    2023 · its alternatives →

13. 13
    Planleaf▲97

    Task management with email

    2014 · planleaf.com · its alternatives →

14. 14
    Crystal▲162

    Suggests the best way to communicate with people over email

    2015 · crystalknows.com · its alternatives →

15. 15
    Consider Groups▲156

    It's like Slack channels but for email.

    2019 · its alternatives →

16. 16
    Copyin▲5

    Next Generation Email Groups

    2017 · copyin.com · its alternatives →

17. 17
    Upsy▲114

    Group emails, zero hassles

    2016 · upsy.co · its alternatives →

18. 18
    Teamup Calendar▲64

    Shared Calendar for Groups

    2016 · teamup.com · its alternatives →

19. 19
    Responsive Email▲180

    A collection of patterns & modules for responsive emails

    2014 · its alternatives →

20. 20
    List Builder 3▲76

    The most advanced email list building tool around

    2016 · bdow.com · its alternatives →

21. 21
    Mixmax Scheduling Assistant▲183

    The ultimate email + calendar productivity suite

    2015 · mixmax.com · its alternatives →

22. 22
    Stratechery▲83

    Daily email analysis on tech biz and strategy

    2015 · stratechery.com · its alternatives →

23. 23
    BoltMail▲86

    Your company’s mailroom

    2017 · boltmail.io · its alternatives →

24. 24
    Inbox Zero▲185

    Here’s how the most productive people manage their inbox.

    2020 · 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 →