Email Clients & Webmail

Alternatives to Mailflow

Compare healthier or more active tools in the same use case using ToolVitals public evidence.

View Mailflow profile View Email Clients & Webmail leaderboard

Why compare

Signals behind this alternatives page

Maintenance and shipping signals are strong.
Health score: 85/100.
Shipping score: 98/100.

Switching guide

Best alternatives by need

Best overallthunderbird-android

Highest organic ToolVitals fit for this use case.

Healthier optionsthunderbird-android, eGroupware, Bulwark Mail

Stronger current public-health signal than Mailflow.

Verified open/source-visiblethunderbird-android, eGroupware, FairEmail, Bulwark Mail

Useful when portability and inspectability matter.

License unknown, source-visible signalsEmailThing

Public source signals exist, but ToolVitals has not verified the license class.

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Ranked alternatives

Best-fit email clients & webmail options

12 tools

thunderbird-android

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Active

Health93

Shipping100

Score96

Confidence93

Stars13.8k

ModeSource-visible project

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eGroupware

Web-based groupware server for calendars, contacts, webmail, and project collaboration.

Active

Health93

Shipping98

Score96

Confidence100

Stars295

ModeSource-visible project

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FairEmail

Fully featured, privacy-friendly email app for Android.

Active

Health85

Shipping93

Score90

Confidence88

Stars4.5k

ModeSource-visible project

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Bulwark Mail

Self-hosted JMAP webmail client for modern mail servers.

Active

Health86

Shipping100

Score93

Confidence89

Stars884

ModeCLI Tool

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Mailspring

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

Active

Health87

Shipping76

Score85

Confidence85

Stars17.7k

ModeSource-visible project

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neomutt

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

Active

Health83

Shipping77

Score85

Confidence99

Stars3.8k

ModeCLI Tool

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matcha

A beautiful and functional email client for your terminal, built with Go and the charming Bubble Tea TUI library. Never leave your command line to check your inbox or send an email again!

Active

Health77

Shipping94

Score86

Confidence89

Stars1k

ModeLibrary / Framework

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