Growth · alternatives · 2026
24 alternatives to Mailflagger
Mailgun email tracking and analytics for everyone
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mailflagger launched in 2021; newer entries below may have overtaken it.
- 1
Simple Mailgun log persistence in Phoenix/Elixir. Contribute to jackjoe/mailgun_logger development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 2
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Mailtrack.io▲282The best email tracking solution I've found. Free
2014 · mailsuite.com · its alternatives →
- 4
Track opens and clicks, set reminders and delays in Gmail
2019 · snov.io · its alternatives →
- 5
Mailintel▲86Analytics and reporting dashboard for transactional emails.
2019 · mailintel.io · its alternatives →
- 6
Mailcastr▲363Create email signature that can track your emails
2017 · bulletbusiness.com · its alternatives →
- 7
Mailwarm 2.0▲676The email warmup tool, upgraded for deliverability.
Jun 2026 · mailwarm.com · its alternatives →
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Mailmeteor▲567Send hundreds of personalized emails with Gmail.
2019 · mailmeteor.com · its alternatives →
- 11
Ugly Email▲421See if an email is being tracked before you open it in Gmail
2015 · uglyemail.com · its alternatives →
- 12
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- 14
Find all the emails related to a domain with just one click
2015 · hunter.io · its alternatives →
- 15
Mailtracker▲78Mobile email tracking - Yesware for Mobile
2014 · mailtrackerapp.com · its alternatives →
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Detailed email reporting that drives results
2017 · keen.io · its alternatives →
- 18
Email and document tracking with automation
2018 · saleshandy.com · its alternatives →
- 19
Hey HN, I'm Chris, CTO of Knock (https://knock.app). We built email.info because every developer we talk to asks the same question: which email provider should I use? The existing resources are mostly vibes — "Best of" listicles, anonymous Reddit threads, or LLM answers trained on that same content. Objective performance data is always missing. Knock is a notification infrastructure platform, so we send billions of API requests to downstream email providers every year. We aggregated that data into a public dashboard covering 10 providers (SendGrid, Postmark, Resend, Mailgun, Amazon…
Mar 2026 · knock.app · its alternatives →
- 20
SalesHandy▲93Email Tracking, Scheduling & Mail Merge with Auto-Followups
2016 · saleshandy.com · its alternatives →
- 21
Mailbutler 2.0▲162Your personal assistant for Gmail and Apple Mail 📬
2018 · mailbutler.io · its alternatives →
- 22
Email tracking tool for Zendesk
2023 · growthdot.com · its alternatives →
- 23
EmailMatcher▲257Find anyone's email address in a matter of seconds, for free
2017 · 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 →