Dev tools · alternatives · 2026

24 alternatives to .meteoremails

Send cold emails for free! Free and open source project

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. .meteoremails launched in 2020; newer entries below may have overtaken it.

1. 1
   Cold Email generator▲181

   Write cold emails, that converts

   2024 · its alternatives →

2. 2
   AtMailWin▲82

   Winning cold mailing campaigns

   2023 · its alternatives →

3. 3IM
   I'm working on an open-source Gmail replacement▲387

   2013 · khamidou.github.io · its alternatives →

4. 4
   Cold Email Analyzer by Mailshake▲222

   Real-time analysis of email subject lines and copy

   2018 · mailshake.com · its alternatives →

5. 5
   SendMail▲104

   Send free anonymous email online

   2019 · sendmail.altmails.com · its alternatives →

6. 6
   Bulk Blizzard▲108

   The easiest way to generate cold email templates in bulk

   2023 · its alternatives →

7. 7
   Cold Email Grader▲128

   Send better cold emails with AI-powered feedback. For free.

   2020 · coldemailgrader.com · its alternatives →

8. 8
   Cold Email Warmup by GMass▲98

   A completely free cold email warm-up system

   2021 · gmass.co · its alternatives →

9. 9
   Outbound▲117

   Generate personalized cold emails with AI

   2021 · tryoutbound.ai · its alternatives →

10. 10
    Cold Email Subject Line Generator▲124

    Get them to read your cold emails.

    2020 · mails.wtf · its alternatives →

11. 11
    Skymail▲76

    Send email via static forms w/ Gmail or other mail services

    2018 · its alternatives →

12. 12
    Cold Mail▲68

    ​Transform cold outreach into warm conversations

    2023 · its alternatives →

13. 13
    Straight Mail▲13

    Email Marketing Tool

    2025 · straightmail.co.uk · its alternatives →

14. 14
    SendgoMail▲88

    Email sending made easy & affordable for free

    2021 · sendgomail.com · its alternatives →

15. 15
    Free & OSS SMTP Bulk Cold Email Sending▲3

    cold0 - bring your own SMTP cold email sending and managing

    Feb 2026 · cold0-gamma.vercel.app · its alternatives →

16. 16
    InboxFee▲79

    Make strangers pay for their cold emails

    2020 · its alternatives →

17. 17AA
    An ad free temporary mail service▲54

    Made this privacy conscious temporary mail extension as a hobby a few years ago as I found a cool domain. I've now revamped the UI, added more domains and created an extension that shows your inbox in your browser (it only asks for permission to read from TemporaryMail.com and not all sites like the other extensions), it's also free from ads (paying the service out of pocket and perhaps adding an upgrade feature later on). What makes this site a bit more unique is that I wrote the email parser from scratch following the RFC (took me 2 months and tons of testing) so it should display all…

    2024 · its alternatives →

18. 18
    RocketshipFM: Stepping Up Your Cold-Email Game▲68

    Alex Berman, CMO at InspireSumo talks cold emails

    2015 · its alternatives →

19. 19
    Send Unlimited Cold Emails for free

    100% Free cold email platform. Connect any mailbox.

    Mar 2026 · freecoldmail.com · its alternatives →

20. 20
    Free Personalized Cold Email Generator▲11

    Free AI tool to write a personalized cold email in seconds

    2024 · prospectingtoolkit.com · its alternatives →

21. 21
    Email Masters - Free Cold Email Course▲10

    12+ B2B Cold Email Modules - By Charlie Price

    2019 · its alternatives →

22. 22
    Koldemails▲3

    Free cold email tools, lead lists & playbooks

    Jul 2026 · koldemails.com · its alternatives →

23. 23IM
    InboxFee – make strangers pay for their cold emails▲28

    2020 · inboxfee.com · its alternatives →

24. 24
    NinjaEmail▲4

    Most Affordable Email Marketing Platform

    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 →