Growth · alternatives · 2026

24 alternatives to Closers HQ

Send unlimited cold emails from unlimited mailboxes

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Closers HQ launched in 2023; newer entries below may have overtaken it.

1. 1
   Email Warmup by Boxward▲144

   Get more cold emails opened, get more sales, automatically

   2022 · boxward.com · its alternatives →

2. 2
   Warmbox▲383

   Warm-up your inbox and never land in spam

   2021 · warmbox.ai · its alternatives →

3. 3
   Skylead 4.0▲90

   Close 3x more deals with LinkedIn & infinite email outreach

   2024 · skylead.io · its alternatives →

4. 4
   Cold Email Warmup by GMass▲98

   A completely free cold email warm-up system

   2021 · gmass.co · its alternatives →

5. 5
   Daily Sender▲65

   Send emails to unlimited subscribers with one click.

   2020 · dailysender.com · its alternatives →

6. 6
   Email Warmup By SalesBlink▲151

   Fully automated email warm-up. Never land in spam again!

   2022 · salesblink.io · its alternatives →

7. 7
   Primeforge▲232

   Google & Microsoft mailboxes for cold email

   2025 · primeforge.ai · its alternatives →

8. 8
   Super Send 2.0▲157

   Automate cold outreach - email, Linkedin & Twitter

   2023 · supersend.io · its alternatives →

9. 9
   Mailshake 2.0▲164

   Send engaging cold outreach emails, on autopilot

   2021 · mailshake.com · its alternatives →

10. 10
    Outreach Automation for Salespeople by Close.io▲116

    Predictive Dialing and Email Sequences built into your CRM

    2018 · close.com · its alternatives →

11. 11
    Multi Email Forward for Gmail by cloudHQ▲28

    Forward multiple emails from 1 account to another in 1 click

    2016 · chromewebstore.google.com · its alternatives →

12. 12
    Multi Email Forward by cloudHQ 2.0▲77

    Automate forwarding all your Gmail emails to another email

    2019 · chromewebstore.google.com · its alternatives →

13. 13
    Right2inbox▲10

    Build a Healthy Email Reputation, Reach the Inbox Every Time

    2025 · dev-wamachine.pantheonsite.io · its alternatives →

14. 14
    Mailerr▲119

    Automated Infrastructure for boosting Cold Email Delivery

    2025 · mailerr.co · its alternatives →

15. 15
    ColdSMTP by GMass▲11

    Send unlimited cold emails from 1 account with no warm-up

    2024 · gmass.co · its alternatives →

16. 16
    Leadomator▲18

    Unlimited leads 24/7.

    Jun 2026 · leadomator.com · its alternatives →

17. 17
    Minutemailer▲80

    Create and send beautiful newsletters in minutes

    2023 · minutemailer.com · its alternatives →

18. 18
    Email Warmup▲82

    Automated email warming, lifetime access for just $59

    2021 · ditlead.com · its alternatives →

19. 19
    CoolOutreachAI▲73

    Generate AI driven relevant > hyper-personalised cold emails

    2024 · its alternatives →

20. 20
    ColdInbox▲108

    Send bulk invitations on Linkedin with personalised messages

    2020 · its alternatives →

21. 21
    CleverlyBox▲3

    Email Automation System Send UNLIMITED Cold Emails,

    2024 · cleverlybox.com · its alternatives →

22. 22
    Reachkit▲12

    Turn Cold Outreach Into Reliable Revenue

    2025 · reachkit.ai · its alternatives →

23. 23
    Sherloq▲78

    Know which LinkedIn prospect is warm - right now

    May 2026 · gosherloq.com · its alternatives →

24. 24
    MassFastmail▲76

    Send mass emails in Fastmail

    2020 · chromewebstore.google.com · 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 →