Alternatives

Products that do what The Signup Block – Collect supporters for your organization does

1. 1
   Waitless▲587

   Collect sign ups with built-in referrals

   2025

2. 2
   Trueguard▲368

   Stop fake user signups

   2025

3. 3OA
   Our alternative to recruiter spam▲233

   2013 · trypitchbox.com

4. 4NS
   NBox – Sign up anywhere without giving your email address▲286

   2017 · nbox.notif.me

5. 5
   IntroSnap▲92

   Drive engagement and win deals - sign up free

   2021

6. 6
   Easy Advocacy▲186

   Launch an employee advocacy campaign in 10 minutes for free

   2020

7. 7LS
   Let's encourage ad blocking▲92

   2016 · blockads.fivefilters.org

8. 8
   rally▲157

   A community of rejected YC founders

   2020

9. 9
   EARLYCLAIM▲130

   Reserve your favorite username in new startups

   2014

10. 10
    BlockSurvey▲214

    Token-gated forms & surveys

    2024

11. 11
    SignupGuard▲6

    Stop fraudulent signups

    Oct 2025

12. 12SF
    Sales for Founders▲149

    2020 · salesforfounders.com

13. 13
    SignupLab▲92

    Sales and customer success solution for SaaS companies

    2015

14. 14PA
    Pesky Adblock – Blocks site access to visitors without an adblocker▲119

    2018 · gitgud.io

15. 15SS
    Super-simple company signup with Google/Facebook▲23

    2011 · flowdock.com

16. 16
    SuperSignups▲60

    Build trust, drive conversions, grow faster!

    Sep 2025

17. 17
    Makers Support Makers▲102

    Pledge Support to Access Support

    2022

18. 18DW
    Detect when VIPs (investors, journalists, etc) sign up for your product▲5

    2018 · viphawk.com

19. 19
    Hulimail▲72

    Engage with influencers who signup for your mailing list.

    2014

20. 20RI
    Referlist – Increase email sign-ups via word of mouth referrals▲70

    Hi there HN! Excited to share Referlist (https://referlist.co/), a simple way to increase sign-ups on your landing page for pre-product launches. Give your users early access to your product when they share it with their friends! I make A LOT of landing pages. Whenever I want to test an idea, I'll make a website with a sign-up form to see how excited people are about a concept. I wanted to encourage word of mouth growth and incentivize my users to share these sites with their friends. Robinhood was able to amass nearly one million sign-ups via their referral program, so I…

    2019

21. 21EW
    Easy Way to Run a Contest For Your Startup▲24

    2013 · gleam.io

22. 22
    Signupscore▲3

    Stop fake signups without blocking real customers

    Aug 2026 · signupscore.com

23. 23R
    RecruiterBox▲43

    2011 · recruiterbox.com

24. 24LK
    Limestat – Keep Your Team in Sync (HN $100 Signup Bonus)▲7

    2018 · limestat.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →