Dev tools · alternatives · 2026

24 alternatives to MessageBus

Send email with a powerful API, track it with our platform.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MessageBus launched in 2014; newer entries below may have overtaken it.

1. 1
   MailClark▲198

   The Slack bot for external communications

   2016 · its alternatives →

2. 2
   Message.io▲296

   Bots that work everywhere

   2016 · its alternatives →

3. 3
   MailClark for Microsoft Teams▲78

   Connect your Teams to Email, Twitter & Facebook

   2017 · mailclark.ai · its alternatives →

4. 4
   Mailcloud▲110

   A New Way to Email

   2014 · mailcloudapp.com · its alternatives →

5. 5
   Waypoint▲103

   A refreshingly simple way to send data-rich emails

   2023 · usewaypoint.com · its alternatives →

6. 6
   MailBunny.ai▲86

   Email based AI assistant, collaborate, summarize & more

   2023 · its alternatives →

7. 7
   MailBot▲165

   Get notified of your important emails in Slack

   2016 · its alternatives →

8. 8
   Customer.io Actions▲206

   Send messages across any channel - from push to postcards

   2016 · docs.customer.io · its alternatives →

9. 9
   Courier▲257

   API, designer, and metrics for messaging & notifications

   2021 · courier.com · its alternatives →

10. 10
    Threads.io▲257

    Trigger automated behavior-driven emails (by SendGrid).

    2015 · its alternatives →

11. 11
    Sendspark▲140

    Send a video, spark a conversation

    2019 · sendspark.com · its alternatives →

12. 12
    Autosend▲102

    Send Email, SMS, & Push, based on what users do in your app

    2014 · its alternatives →

13. 13
    Waypoint▲138

    Build and send data-rich emails, faster than ever

    2023 · usewaypoint.com · its alternatives →

14. 14
    Mailercloud Email API Platform▲165

    1,000+ Emails per Second with 99%+ Deliverability

    Mar 2026 · mailercloud.com · its alternatives →

15. 15
    Knowtify▲199

    Send smart, automated digest emails.

    2014 · its alternatives →

16. 16
    SendOut (for Medium)▲188

    Email automation for Medium writers and publications

    2017 · sendout.io · its alternatives →

17. 17
    Sendbloom▲96

    Data-driven sales automation for nurturing leads

    2015 · its alternatives →

18. 18
    PigeonBot▲137

    Send emails via Slack with the /email command

    2017 · its alternatives →

19. 19
    Send▲131

    Instant messaging meets email (by Microsoft)

    2015 · microsoft.com · its alternatives →

20. 20
    Sendwithus▲33

    Transactional Email Made Easy

    2014 · dyspatch.io · its alternatives →

21. 21
    Toymail▲97

    Send a message to your kids within the toy

    2014 · its alternatives →

22. 22
    Mailgun▲7

    Transactional email API service for developers

    2022 · mailgun.com · its alternatives →

23. 23
    Knowmail▲73

    Email and messaging Artificial Intelligence engine

    2016 · knowmail.me · its alternatives →

24. 24
    Statlogger▲91

    Email-based stat tracking

    2014 · statlogger.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 →