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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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axTLSpermalink

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BearSSLpermalink

License Reference

BearSSL is an implementation of the SSL/TLS protocol (RFC 5246) written in C.

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calccrypto/OpenPGPpermalink

License Reference

This calccrypto implementation of OpenPGP is a toy/educational implementation of the RFC 4880 standard.

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CONIKSpermalink

License References

CONIKS is a key management system for end users capable of integration in end-to-end secure communication services. The main idea is that users should not have to worry about managing encryption keys when they want to communicate securely, but they also should not have to trust their secure communication service providers to act in their interest.

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Foxtrotpermalink

License Reference

Foxtrot is a simple and secure routing network based on bitcoin cryptography. Foxtrot enables easy p2p communications and has built-in mechanisms for peer discovery, creation of services addressable by public keys, and establishing encrypted connections.

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keybase clientpermalink

License Reference

This is the keybase client repository. It includes the Go library and command line client, the Keybase service code, and clients for Android, iOS, Linux, MacOS, and MS Windows. It also contains packaged versions of clients for various OSes.

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netpgppermalink

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OpenPGP SDKpermalink

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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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Tom Zerucha's OpenPGPpermalink

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zkcpermalink

License Reference

Zero Knowledge Communications (zkc) is a suite of programs to enable private and secure communications between any number of parties.

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