Dev tools · alternatives · 2026

24 alternatives to Thinbox

Collect email sending data across your email services

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Thinbox launched in 2016; newer entries below may have overtaken it.

1. 1
   DevMail▲183

   Email sandbox for software developers

   2024 · devmail.email · its alternatives →

2. 2
   Slimbox▲81

   Slim your Inbox with email Daily Summaries.

   2022 · slimboxapp.com · its alternatives →

3. 3
   Smartbox by Inbox▲117

   The mailbox of tomorrow, today

   2015 · blog.google · its alternatives →

4. 4
   Cloudmagic▲123

   Compete Your Work Right From Your Email Inbox

   2014 · cloudmagic.com · its alternatives →

5. 5
   fwrdto.me▲212

   Send web pages to your email inbox in just one click

   2016 · fwrdto.me · its alternatives →

6. 6
   Context.IO▲226

   API for email inboxes

   2015 · its alternatives →

7. 7
   Scroll Box▲168

   Grow your email list with a Triggered ScrollBox

   2014 · bdow.com · its alternatives →

8. 8
   Sendbloom▲96

   Data-driven sales automation for nurturing leads

   2015 · its alternatives →

9. 9
   Send to Dropbox▲94

   Email attachments to a Dropbox folder

   2015 · sendtodropbox.com · its alternatives →

10. 10
    SharedInbox▲112

    Send or receive emails from Slack

    2021 · sharedinbox.co · its alternatives →

11. 11
    Criptext▲83

    Encrypt, track, and recall your emails

    2015 · its alternatives →

12. 12
    Spently▲92

    Turn your transactional emails into marketing opportunities.

    2016 · spently.com · its alternatives →

13. 13
    UseINBOX▲98

    Professionally designed email templates 💌✨

    2017 · useinbox.com · its alternatives →

14. 14
    analyze.email▲136

    Test the spam-y-ness of your emails

    2017 · analyze.email · its alternatives →

15. 15
    Mailcloud▲110

    A New Way to Email

    2014 · mailcloudapp.com · its alternatives →

16. 16
    Email Discovery Tool▲75

    Unlimited scrapping of emails for your cold email outreaches

    2021 · its alternatives →

17. 17
    SumBox▲38

    Newsletters without the noise

    2024 · its alternatives →

18. 18
    SharedBox▲100

    Shared inbox for your team; in Slack

    2018 · its alternatives →

19. 19
    Email Outreach Playbook▲104

    Master the craft of send sales emails that convert

    2017 · playbook.mailshake.com · its alternatives →

20. 20
    Inbox by Zendesk▲100

    Shared team email inbox.

    2014 · zendesk.com · its alternatives →

21. 21
    OneBox.io▲104

    Sync e-mail attachments to GDrive, Dropbox, Box, or OneDrive

    2014 · onebox.io · its alternatives →

22. 22
    SendgoMail▲88

    Email sending made easy & affordable for free

    2021 · sendgomail.com · its alternatives →

23. 23
    Senders▲82

    Caller ID for your email

    2016 · sende.rs · its alternatives →

24. 24
    TraceMail▲100

    Know, don't guess when your emails are read

    2024 · 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 →