Dev tools · alternatives · 2026

24 alternatives to Polite Pop

The polite email signup form

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Polite Pop launched in 2022; newer entries below may have overtaken it.

1. 1
   Upscribe▲604

   Email marketing & embeddable opt-in forms

   2016 · upscribe.net · its alternatives →

2. 2
   Email Warm-Up Tool by Reply▲311

   Make sure your emails land in the inbox, not spam

   2021 · reply.io · its alternatives →

3. 3
   Email Signature Generator by Reply▲266

   Create a professional email signature that stands out

   2022 · reply.io · its alternatives →

4. 4
   Emailee▲455

   Create custom signatures and banners for your email

   2024 · emailee.io · its alternatives →

5. 5
   Mailbum▲388

   Email signatures without the fuss

   2020 · mailbum.io · its alternatives →

6. 6
   Pluck▲345

   Smarter cold emails for the savvy social marketer

   2016 · pluckhq.com · its alternatives →

7. 7
   I made an open-source anonymous email forwarding service▲393

   Create unlimited email aliases for free. Protect your real email from spam by using a different address for each service. Privacy friendly, anonymous replies.

   2019 · anonaddy.com · its alternatives →

8. 8
   Reply▲325

   Send cold emails that feel warm

   2015 · reply.io · its alternatives →

9. 9
   Hello Inbox▲283

   Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.

   Aug 2026 · helloinbox.email · its alternatives →

10. 10
    Drift Email Signatures▲177

    Free email signatures to get your whole team on brand

    2018 · drift.com · its alternatives →

11. 11
    Warmbox▲383

    Warm-up your inbox and never land in spam

    2021 · warmbox.ai · its alternatives →

12. 12
    AnonAddy▲132

    Open-source anonymous email forwarding. Stop spam.

    2019 · addy.io · its alternatives →

13. 13
    CopyBuddy.io▲70

    Send cold emails your prospects love responding to

    2024 · its alternatives →

14. 14
    Gaggle Mail▲176

    Free Listserv for groups of up to 1,000 people

    2022 · gaggle.email · its alternatives →

15. 15
    Drift Email for Marketing▲219

    Turn email into engaging conversations to close leads faster

    2018 · drift.com · its alternatives →

16. 16
    SendgoMail▲88

    Email sending made easy & affordable for free

    2021 · sendgomail.com · its alternatives →

17. 17
    Forms in Email▲206

    Interactive forms in email that increase conversion by ~3X

    2025 · mailmodo.com · its alternatives →

18. 18
    Subbscribe▲179

    Opt-in popup form to collect email address on your site

    2015 · subbscribe.com · its alternatives →

19. 19
    Mailscribe▲166

    Keep your inbox clean

    2022 · mailscribe.com · its alternatives →

20. 20
    Magic▲165

    Fills in signup forms with just an email address

    2015 · its alternatives →

21. 21
    Poppy▲55

    Displays incoming emails in a pop-up dialog.

    2014 · play.google.com · its alternatives →

22. 22
    Cold Mail▲68

    ​Transform cold outreach into warm conversations

    2023 · its alternatives →

23. 23
    Letterbird▲134

    A free contact form on the web that’s good enough

    2024 · letterbird.co · its alternatives →

24. 24
    Postal.io for HubSpot▲81

    Send handwritten notes, gifts, or direct mail in minutes

    2020 · ecosystem.hubspot.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 →