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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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authsrv9permalink

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btpdpermalink

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djbdnspermalink

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The djbdns software package is a DNS implementation created by Daniel J. Bernstein.

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fractal cellspermalink

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The fractal cells project provides a componentized, complete hosting and deployment solution for common software infrastructure, running on FreeBSD.

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Freeholdpermalink

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Freehold is a personal web server for containing and managing your personal data. Use Freehold-Sync to synchronize your desktop files with your freehold instance to make your own open, and secure Dropbox / Google Drive alternative.

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H2Opermalink

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H2O is a new generation HTTP server that provides quicker response to users with less CPU utilization when compared to older generation of web servers. Designed from ground-up, the server takes full advantage of HTTP/2 features including prioritized content serving and server push, promising outstanding experience to the visitors of your web site.

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Harakapermalink

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Haraka is an open source SMTP server written in Node.js which provides extremely high performance coupled with a flexible plugin system allowing JavaScript programmers full access to change the behaviour of the server. It is used heavily in some high traffic sites.

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Hato Mail Suitepermalink

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Jenkinspermalink

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The leading open source automation server, Jenkins provides hundreds of plugins to support building, deploying and automating any project.

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libtorrentpermalink

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The libtorrent project provides a feature complete C++ library bittorrent implementation focusing on efficiency and scalability that runs on embedded devices as well as desktops. It offers Go, Java, Node.js, and Python bindings as well as C++.

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lighttpdpermalink

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Mail-in-a-Boxpermalink

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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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memventipermalink

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Mighttpd2permalink

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Mighttpd2 (called mighty) is a simple but practical HTTP server written in Haskell that handles static files and CGI scripts, and provides reverse proxy and URL rewriting with HTTP redirect.

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Nginxpermalink

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OpenBazaar Serverpermalink

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The OpenBazaar networking demon can be used to access the OpenBazaar P2P network.

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OpenSMTPDpermalink

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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

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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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Polipopermalink

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Pondpermalink

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Pond is forward secure, asynchronous messaging for the discerning.

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PureFTPdpermalink

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Pure-FTPd is a free, secure, production-quality and standard-conformant FTP server. It doesn't provide useless bells and whistles, but focuses on efficiency and ease of use.

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qmailpermalink

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ShairPortpermalink

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TclMonpermalink

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tentpermalink

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Tent lets you control your data instead of handing it over to service and app providers. Just like email, you choose a Tent provider or can set up your own Tent server.

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Tile38permalink

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Tile38 is an open source, in-memory geolocation data store, spatial index, and realtime geofence. It supports a variety of object types including lat/lon points, bounding boxes, XYZ tiles, Geohashes, and GeoJSON.

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Upspinpermalink

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Upspin is an experimental project to build a framework for naming and sharing files and other data securely, uniformly, and globally: a global name system of sorts. It is not a file system, but a set of protocols and reference implementations that can be used to join things like file systems and other storage services to the name space.

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X.Orgpermalink

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Yawspermalink

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zkcpermalink

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

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