Growth · alternatives · 2026

24 alternatives to Mailnab

Capture emails even when forms are abandoned

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Mailook▲315

   Identify & fix your email deliverability issues for free

   2021 · its alternatives →

2. 2
   NudgeForMe▲286

   AI follow-up agent for missed email opportunities

   Aug 2026 · nudgeforme.com · its alternatives →

3. 3
   Drift Email Signatures▲177

   Free email signatures to get your whole team on brand

   2018 · its alternatives →

4. 4
   FormSanitizer▲160

   Stop spammy form submissions with custom filters.

   2025 · its alternatives →

5. 5
   Mailivery▲251

   Reach the inbox, not the spam folder

   2021 · its alternatives →

6. 6
   Stable▲209

   A virtual address & mailbox for business

   2025 · usestable.com · its alternatives →

7. 7
   MailDrop▲146

   Disposable email to save your inbox from spammers

   2015 · its alternatives →

8. 8
   MailDrop.dev▲67

   Catch all email for developers and QAs, with subdomains

   2023 · its alternatives →

9. 9OE
   OpenBSD Email Service – A free-email alternative▲215

   2018 · github.com · its alternatives →

10. 10
    Proofy 2.0▲199

    A bulk email verification service

    2019 · its alternatives →

11. 11
    Mailsnag▲31

    Seamless Email Testing and Receiving

    2024 · its alternatives →

12. 12
    Mailcheck▲86

    Validate and clear your email lists from bounces 💌

    2019 · its alternatives →

13. 13
    MailSnag▲83

    Automated email testing for dev/staging/QA/CI environments

    2018 · its alternatives →

14. 14
    Mailet▲132

    Mailet provides you with free temporary email addresses

    2022 · its alternatives →

15. 15
    Make senders work to get into your inbox▲44

    Hi HN :) really excited to share this with you. The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels…

    Jul 2026 · captchainbox.com · its alternatives →

16. 16
    LostForms▲15

    Recover Abandoned Forms & Boost Conversions

    2025 · its alternatives →

17. 17
    EmailSnap▲13

    Capture EmailsInstantlyFrom Any Website

    2025 · emailsnap.vercel.app · its alternatives →

18. 18
    Endpoint Space▲134

    Simple solution for developers to get submissions from forms

    2022 · its alternatives →

19. 19
    CartHook▲90

    Recover abandoned carts with email

    2015 · its alternatives →

20. 20
    CartGhost▲76

    Recover abandoned carts with AI via WhatsApp

    Apr 2026 · cartghost.com · its alternatives →

21. 21
    Notion Capture▲84

    Easily capture emails on Notion

    2021 · its alternatives →

22. 22
    Mail Dump▲79

    Automatically extract emails from any webpage

    2018 · its alternatives →

23. 23
    Obeatow▲68

    Stop form abandonment the easy way

    2022 · its alternatives →

24. 24TT
    The two most useful email filters▲64

    The two most useful email filters that I have on my personal account automatically move the following messages to a "from-robots" folder: * Any message that contains the word "unsubscribe" * Any message from no-reply@ As a side note: please do not send emails from [email protected] If you want users to engage with your communications you need to give them an option to respond.

    2022 · 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 →