Claws Mail — Email Client (Open Source)

Claws Mail is an open-source Email Client solution from Claws Mail team. Compare it against 51 other Email Client tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is Claws Mail?

Claws Mail is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Email Client and published by Claws Mail team. Buyers typically evaluate Claws Mail when they need a dependable Email Client option and want to weigh the trade-offs between free, open-source and paid tools before committing.

Claws Mail alternatives

If Claws Mail isn't the right fit, compare these Email Client alternatives side by side:

AlpineApple MailBalsaBecky! Internet MailBlitzMailCanary MailCitadelElmEudoraEvolutionFairEmailFirstClassForte AgentGNUMail

Frequently asked questions

Is Claws Mail free?
Yes. Claws Mail is open source and free to use, with no purchase cost for the core product.
What are the best Claws Mail alternatives?
Popular Email Client alternatives to Claws Mail include Alpine, Apple Mail, Balsa, Becky! Internet Mail. See the full list of Email Client on FreeSoftwareX.
What type of software is Claws Mail?
Claws Mail is an open-source Email Client tool developed by Claws Mail team.

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