Growth · alternatives · 2026

24 alternatives to StartupCTO.io: Tim Jenkins, CTO of SendGrid

Building for massive scale

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. StartupCTO.io: Tim Jenkins, CTO of SendGrid launched in 2017; newer entries below may have overtaken it.

1. 1
   Threads.io▲257

   Trigger automated behavior-driven emails (by SendGrid).

   2015 · its alternatives →

2. 2
   Mailcloud▲110

   A New Way to Email

   2014 · its alternatives →

3. 3
   Slack Enterprise Grid▲292

   Power up every part of your business

   2017 · its alternatives →

4. 4
   Lukewarm Emailer▲267

   Build a list of people on Twitter, reach out w/ a cold email

   2014 · its alternatives →

5. 5
   MailClark▲198

   The Slack bot for external communications

   2016 · its alternatives →

6. 6
   Traction (Book)▲308

   A Startup Guide to Getting Customers

   2014 · its alternatives →

7. 7
   SendX 2.0▲277

   Growth tools & marketing automation for non-marketers

   2017 · its alternatives →

8. 8
   SendGrid Email Analytics by Keen IO▲201

   Detailed email reporting that drives results

   2017 · its alternatives →

9. 9
   DeckHub▲221

   A TweetDeck style desktop client for GitHub.

   2016 · its alternatives →

10. 10
    NO CMO▲181

    Turning tech-founders into CMOs

    2016 · its alternatives →

11. 11
    El Robot▲174

    The best startup resources, in Slack

    2015 · its alternatives →

12. 12
    OpenSource Email Template▲109

    Responsive, Free, and Community Driven

    2014 · its alternatives →

13. 13BO
    BuzzFeed open source SSO▲166

    2018 · tech.buzzfeed.com · its alternatives →

14. 14
    Blnkk▲202

    An online community for crowdsourcing your startup needs

    2015 · its alternatives →

15. 15
    Founder Suite▲102

    Tools to get startup sh*t done!

    2014 · its alternatives →

16. 16
    SaltStack For DevOps▲66

    Fast and simple IT automation and configuration management

    2016 · its alternatives →

17. 17
    Lighthouse▲144

    Real-time monitoring and alerts for Slack administrators

    2016 · its alternatives →

18. 18
    Sendwithus▲174

    Create cutting-edge email experiences at scale 🚀

    2014 · its alternatives →

19. 19
    DevSpace▲173

    Tweetdeck for GitHub

    2016 · its alternatives →

20. 20
    Pingly▲86

    A new messaging platform working to evolve email

    2014 · its alternatives →

21. 21
    Turing Email▲112

    Making checking your inbox as fun as using Slack

    2015 · its alternatives →

22. 22
    Embarke▲62

    Optimize email campaigns for revenue

    2014 · its alternatives →

23. 23
    Slack▲93

    Platform for team communication

    2015 · its alternatives →

24. 24
    SmartHires.io▲148

    A candidate referral network between startups

    2015 · 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 →