Growth · alternatives · 2026

24 alternatives to Letter Index

Directory of newsletters to advertise your business.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Letter Index launched in 2024; newer entries below may have overtaken it.

1. 1
   LetterHunt▲774

   10,000+ active, curated newsletters to promote your product

   2021 · letterhunt.co · its alternatives →

2. 2
   letterpal▲399

   Write good newsletters, fast.

   2025 · its alternatives →

3. 3
   LetterWell▲465

   Buy and sell ad space in email newsletters

   2020 · its alternatives →

4. 4
   Hunter▲1,699

   Find all the email addresses related to a domain

   2015 · hunter.io · its alternatives →

5. 5
   Letterwell 2.0▲199

   Buy and sell ad space in email newsletters

   2021 · its alternatives →

6. 6
   Newsletter Operating System▲518

   All-in-one dashboard to launch & grow your newsletter

   2020 · its alternatives →

7. 7
   Letterstack▲398

   Resources for building, growing and monetizing a newsletter

   2020 · its alternatives →

8. 8
   Email Spotlights▲141

   The best brand emails, annotated.

   2021 · its alternatives →

9. 9
   Letterfuel▲325

   Grow your audience with a curated newsletter

   2018 · its alternatives →

10. 10
    Email Newsletter Checklist by MailSwift▲180

    Send error free emails that your customers will love

    2018 · its alternatives →

11. 11
    Sponsor This Newsletter▲707

    100+ newsletters ready to promote your product

    2022 · its alternatives →

12. 12
    Lettertab Chrome Extension▲78

    A search engine for independent newsletters

    2020 · its alternatives →

13. 13
    Letterlike▲152

    Add a like button to your newsletter

    2021 · its alternatives →

14. 14
    Pear▲390

    Connecting newsletters with advertisers

    2017 · its alternatives →

15. 15
    Mailbob▲255

    A newsletter platform for personal brands/small businesses

    2024 · its alternatives →

16. 16
    WriterAds▲115

    Discover the world's best newsletters ads

    2023 · its alternatives →

17. 17
    Newsletter Kit▲403

    All-in-one Notion dashboard for your newsletter operations

    2023 · its alternatives →

18. 18
    PostApex▲142

    Advertise in email newsletters

    2022 · its alternatives →

19. 19
    Reletter▲260

    Find, contact and get featured in 1.3m+ newsletters

    2023 · its alternatives →

20. 20
    Letterloop 2.0▲174

    Private group newsletters for friends, families & teams

    2022 · its alternatives →

21. 21
    Tabler Email UI Kit▲313

    Responsive newsletters and email templates 💌

    2018 · its alternatives →

22. 22
    State of Business Email Marketing▲107

    Stats that will improve your business’ emails performance

    2020 · its alternatives →

23. 23
    Newsletter Spy 2.0▲277

    A database of 100,000+ newsletters

    2021 · its alternatives →

24. 24
    Newslettee▲257

    Database of 15000+ newsletters to promote your product

    2023 · 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 →