Growth · alternatives · 2026
24 alternatives to Cold Email Subject Lines
100+ subject lines proven to boost your email open rates
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Cold Email Subject Lines launched in 2021; newer entries below may have overtaken it.
- 1
Get them to read your cold emails.
2020 · mails.wtf · its alternatives →
- 2
800+ Awesome Email Subject Lines That Get Opened.
2021 · its alternatives →
- 3
30 proven cold email outreach templates to increase replies
2022 · textcortex.com · its alternatives →
- 4
Create unbeatable sales outreach campaigns
2016 · reply.io · its alternatives →
- 5
Instantly generate catchy email subject lines
2023 · subjectlinegenerator.com · its alternatives →
- 6
- 7
Boost open, click and reply rate of your cold emails by 10x
2022 · growmeorganic.com · its alternatives →
- 8
Best sales emails from great companies
2017 · goodsalesemails.com · its alternatives →
- 9
- 10
Write your cold email, and get advices on how to improve it.
2017 · datananas.com · its alternatives →
- 11
Create impactful unique subject lines using AI and GPT-3
2021 · encharge.io · its alternatives →
- 12
Skyrocket your creativity with cold email ideas prompts
2023 · miguelanticonam.gumroad.com · its alternatives →
- 13
Get more cold emails opened, get more sales, automatically
2022 · boxward.com · its alternatives →
- 14
- 15
Boost your cold email knowledge
2023 · miguelanticonam.gumroad.com · its alternatives →
- 16
Generate a brilliant subject line in seconds, with GPT
2023 · ecosend.io · its alternatives →
- 17
Battle tested 150 email templates for agencies & freelancers
2021 · clientjoy.io · its alternatives →
- 18
Email subject lines for different type of eCommerce emails
2021 · idgm.substack.com · its alternatives →
- 19
- 20
Popping email subject lines in bold, italics, strikethrough
2020 · chromewebstore.google.com · its alternatives →
- 21
Ever wonder why one subject line works and another doesn’t?
2016 · soundcloud.com · its alternatives →
- 22
Your ultimate guide to mastering cold email outreach
2023 · digiarpit.gumroad.com · its alternatives →
- 23
Proven cold email templates and tactics for B2B startups
2018 · close.com · its alternatives →
- 24
Real-time analysis of email subject lines and copy
2018 · mailshake.com · its alternatives →
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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 →