Growth · alternatives · 2026

24 alternatives to 800+ Awesome Email Subject Lines

800+ Awesome Email Subject Lines That Get Opened.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. 800+ Awesome Email Subject Lines launched in 2021; newer entries below may have overtaken it.

1. 1
   Cold Email Subject Lines▲112

   100+ subject lines proven to boost your email open rates

   2021 · its alternatives →

2. 2
   Email Subject Line Generator▲130

   Instantly generate catchy email subject lines

   2023 · subjectlinegenerator.com · its alternatives →

3. 3
   Free AI Email Subject Line Generator▲174

   Create impactful unique subject lines using AI and GPT-3

   2021 · encharge.io · its alternatives →

4. 4
   Cold Email Subject Line Generator▲124

   Get them to read your cold emails.

   2020 · mails.wtf · its alternatives →

5. 5
   Formatted Email Subject Lines by cloudHQ▲148

   Popping email subject lines in bold, italics, strikethrough

   2020 · chromewebstore.google.com · its alternatives →

6. 6
   EmailIntro.ai▲124

   AI for writing personalized 1-2 sentence email intros.

   2022 · its alternatives →

7. 7
   AI Subject Line Generator▲96

   Generate a brilliant subject line in seconds, with GPT

   2023 · ecosend.io · its alternatives →

8. 8
   50 Subject Lines To Boost Your Open Rate▲7

   Email subject lines for different type of eCommerce emails

   2021 · idgm.substack.com · its alternatives →

9. 9
   OpenHigher AI▲246

   Unignorable email subject lines powered by GPT-4

   2023 · its alternatives →

10. 10
    Sales Emails Library▲213

    400+ sales emails from amazing brands for your B2B company

    2021 · its alternatives →

11. 11
    Marketing School - Get More People To Open Your Emails▲64

    7 tips to get higher open rates

    2016 · traffic.libsyn.com · its alternatives →

12. 12
    Everything Email Podcast - Subject Lines▲62

    Ever wonder why one subject line works and another doesn’t?

    2016 · soundcloud.com · its alternatives →

13. 13
    Email Wizardry: Prompts for Conv. Emails▲178

    Write high-converting emails like a pro with proven prompts

    2023 · anmolmishra.gumroad.com · its alternatives →

14. 14
    Cold Email Masterclass by Mailshake▲57

    Learn the ins and outs of email outreach

    2018 · mailshake.com · its alternatives →

15. 15
    10,000 Cold Email Ideas Prompts▲99

    Skyrocket your creativity with cold email ideas prompts

    2023 · miguelanticonam.gumroad.com · its alternatives →

16. 16
    Email Lists Made Easy for Writers and Bloggers▲68

    Simple (and maybe even FUN) email marketing start to finish

    2016 · amazon.com · its alternatives →

17. 17
    1000 Email Marketing Ideas▲154

    Monthly list of fun and effective ideas to inspire emails

    2022 · diadye.com · its alternatives →

18. 18
    Best Email Scripts▲196

    Email scripts that actually get replies 💌

    2018 · its alternatives →

19. 19
    Quicklines▲138

    Cold email personalized AI icebreakers to get more responses

    2022 · its alternatives →

20. 20
    Cold Email Guide▲212

    The only cold email guide you'll ever need

    2021 · its alternatives →

21. 21
    Best Email Subject Line▲3

    Improve subject lines and boost open rates.

    2020 · its alternatives →

22. 22
    AI Subject Line Generator▲13

    Generate attention-grabbing subject lines with advanced AI

    2025 · asgenerator.ai · its alternatives →

23. 23
    Marketing School - How to Get People to Open Your Emails▲64

    Increase open rates and avoid the spam folder

    2016 · traffic.libsyn.com · its alternatives →

24. 24
    Reviewik▲209

    Customer emails into insights: topics, keywords, sentiment

    2024 · darulamanperdana.my · 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 →