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Copyfree Works

The license status of some works may be more complex than it at first appears here. In some cases, the license status listed for a given work is the "primary" license under which it is distributed. In several cases, parts of the work may be distributed under other licenses -- potentially even non-copyfree licenses.

Where present, descriptions are typically drawn from the claims of the projects themselves, and represent neither claims nor opinions of the Copyfree Initiative. Inclusion here (with or without description) does not constitute, and should not be inferred as, endorsement of any project.

Listings are presented for informational purposes only, and no representation is made as to the accuracy or utility of any information provided. Use at your own risk.

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Archiveopteryxpermalink

Archiveopteryx stores email in a database and provides access to it through IMAP and more.

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fdmpermalink

License Reference

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Graymailpermalink

License Reference

Graymail is an email client for Chrome written in pure JavaScript. It's based on the now discontinued Whiteout Mail, but without the encryption features of that app.

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Hato Mail Suitepermalink

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Mail-in-a-Boxpermalink

License Reference

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

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mlmmjpermalink

License Reference

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mmhpermalink

License Reference

Meillo's Mail Handler, or mmh, is a mail user agent for users who like the Unix philosophy. It is a fork of the New Mail Handler, or nmh, which again is the currently most popular implementation of an MH-style mail client.

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nmhpermalink

License Reference

New MH, or nmh, is a powerful electronic mail handling system intended to be a (mostly) compatible drop-in replacement for MH. It consists of a collection of fairly simple single-purpose programs to send, receive, save, retrieve, and manipulate e-mail messages. Since nmh is a suite rather than a single monolithic program, you may freely intersperse nmh commands with other commands at your shell prompt, or write custom scripts which use these commands in flexible ways.

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OpenSMTPDpermalink

License Reference

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange emails with other systems speaking the SMTP protocol.

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Parleypermalink

License Reference

Parley was an email service that is intended to make secure email communications more accessible to end-users without requiring a technical background. Its client and server code are now abandonware.

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Pondpermalink

License Reference

Pond is forward secure, asynchronous messaging for the discerning.

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ProtonMail Web Clientpermalink

License Reference

The ProtonMail Web Client is the official Official AngularJS web client for the ProtonMail secure email service. ProtonMail also makes use of OpenPGPjs to ensure message crytography is OpenPGP compliant.

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qmailpermalink

License Reference

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TkRatpermalink

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Whiteout Mailpermalink

License Reference

Whiteout Mail is an easy to use email client with integrated OpenPGP encryption written in pure JavaScript. It is abandonware, with many forks on GitHub.

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