Best Email Software — Free & Paid (2026)

Explore and compare 13 Email tools on FreeSoftwareX (More Software). Browse free, open-source and commercial options side by side — compare features, licensing and price — and find the right fit for your business.

What is Email software?

Email software helps teams handle their email needs within More Software. On this page you can compare the leading options by licence model — 13 free / open-source and 0 paid / freemium tools — so you can shortlist by budget, features and support before you commit.

Top free & open-source Email

AnonAddy (addy.io)Maddy Mail ServerMail-in-a-BoxMailcowMailuModoboa

Popular Email tools

AnonAddy (addy.io) — Open SourceMaddy Mail Server — Open SourceMail-in-a-Box — Open SourceMailcow — Open SourceMailu — Open SourceModoboa — Open SourceMox — Open SourcePostal — Open SourceSimpleLogin — Open SourceStalwart Mail Server — Open Sourcedocker-mailserver — Open SourceiRedMail — Open Sourcewildduck — Open Source

How to choose Email

Start with your must-have features and budget. Open-source and free tools suit lean teams and those who can self-host; freemium lets you trial before paying; commercial tools add vendor support and guarantees. Compare the shortlisted Email above, then request a quote or demo free.

Frequently asked questions

What is the best free Email?
Popular free and open-source Email options include AnonAddy (addy.io) and others listed above. The best choice depends on your features, team size and whether you can self-host.
How many Email tools are listed?
FreeSoftwareX currently lists 13 Email tools, spanning free, open-source, freemium and commercial licences.
Are there free Email options?
Yes — 13 of the Email tools listed are free or open source. See "Top free & open-source Email" above.
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