Libre

Libre works can be shared both in original form and after being adapted, though there may be some conditions on their use.

There are a number of different definitions of libre, including the Open Definition and the Definition of Free Cultural Works

No matter what the definition, libre content can be shared and adapted by any person for any purpose, including commercial purposes. The only requirements are minor, and include attribution (you need to give credit to those whose work you're using) and copyleft (if you use the content in your own work, your work has to be under the same licence as the content you use).

Subcategories:

• Public domain
• Permissive
• Copyleft

Works and Sources

Works

• On the Commons ● 'On the Commons (OTC) is a commons movement strategy center founded in 2001. [Its] purpose is to activate the emergence of a commons-based society'.
• One Page Dungeon Contest 2011 ● A collection of rules-free dungeons on one page each.
• One Page Dungeon Contest 2012 ● Over a hundred one-page dungeons.
• One Shot ● 'A Roleplaying Game of Sacrifice and Vengeance'
• Open Access EBooks ● 'This chapter discusses what Open Access means in the context of e-books, how Open Access e-books can be supported, and the roles that Open Access e-books will play in libraries and in our society.'
• Open Access Explained! ● 'What is open access? Nick Shockey and Jonathan Eisen take us through the world of open access publishing and explain just what it's all about.'
• Open Adventure ● 'Open Adventure is a full-featured tabletop adventure game that offers out-of-box support for medieval fantasy and science-fiction expeditions.'
• Open Bibliographic Data Guide ● '[T]he business cases for Open Bibliographic Data – releasing some or all of a library’s catalogue records for open use and re-use by others.'
• Open Data Hackathon How To Guide ● A guide on holding your own hackathon.
• Open Data Handbook ● 'This handbook introduces you to the legal, social and technical aspects of open data. It can be used by anyone but is especially useful for those working with government data. It discusses the why, what and how of open data – why to go open, what open is, and the how to do open.'
• Open Data, Open Society ● A research project about openness of public data in EU local administrations
• Open Dyslexic ● A font that is easier for dyslexic people to read.
• Open Educational Resources in the People’s Republic of China ● "IITE has published a new analytical survey “Open Educational Resources in the People’s Republic of China: Achievements, Challenges and Prospects for Development” prepared by Chunyan Wang and Guodong Zhao."
• Open English Bible ● A project to create a modern public domain translation of the Bible.
• Open Goldberg Variations ● A performance of Bach's Goldberg Variations.
• Open Hardware Journal ● A journal about open hardware.
• Open Minded CEOs ● A book.
• Open Mission Control Technologies ● The software that NASA used to land Curiosity.
• Open Source Beehives ● 'Sensor enhanced hive designs for bees'
• Open Source Cookbook ● Recipes for food and cocktails.
• Open Source Game Clones ● 'This site tries to gather open-source reimplementations of great old games in one place.'
• Open Source Licensing ● ' Software Freedom and Intellectual Property Law'
• Open States ● View US legislation.
• Open the Future ● A futurism blog.
• Open Translation Tools ● Open source translation software.
• Open4E ● 'This system is intended to be a streamlined and open tactical RPG. The primary source of inspiration is Dungeons and Dragons 4th Edition.'
• OpenChem ● An entire chemistry curriculum.
• OpenCola ● A libre recipe for cola so you can make your own.
• OpenD6 ● The popular D6 System finally released as open.
• OpenQuest ● A complete and easy to play fantasy roleplaying game, with monsters, magic and exotic locales. OpenQuest uses the classic D100 rules mechanic, which uses percentages to express the chance of success or failure.
• OpenTTD ● A clone of Transport Tycoon Deluxe.
• Oppia ● 'Oppia is a tool for creating interactive online activities that enable students to learn by doing.'
• Oral Literature in Africa ● 'First published in 1970 by Oxford University Press, this classic study has been hailed as "the single most authoritative work on oral literature”. It traces the history of story-telling in Africa, and brings to life the diverse forms of creativity across the African continent'
• Organic Rules Components ● A role-playing game that promises to model physics and biology.
• Osprey ● A generic role-playing engine.
• OSRIC ● A retroclone of 1st Edition Dungeons & Dragons.
• Ostermark: The Butterforger ● A surreal game of the law set in the Old World.
• OSVehicle ● Download car designs.
• Paleobiology Database ● Data and photos of extinct animals and plants.
• Pantheon ● 'Pantheon is a storytelling game about a hero’s journey and the trials devised by the gods.'
• Passage ● A sidescroller about a man and his wife.
• Pathfinder ● A role-playing game based on Dungeons & Dragons 3.5.
• PCGen ● A character generator for the d20 System.
• pdfreaders.org ● A collection of free software PDF readers.
• Perfect20 ● A variant on D&D 3e.
• Perspectives on Open and Distance Learning ● '[D]escribes the [OER] movement in detail, providing readers with insight into OER’s significant benefits, its theory and practice, and its achievements and challenges.'
• PFSRD ● A collection of Pathfinder official and third party materials.
• Phantom 52 ● 'A supernatural storytelling RPG'
• #PHONAR ● Undergraduate photography class.
• PICOL ● A pictoral communication language.

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Sources

• Thingiverse ● Designs for 3D printers.
• Traficantes de Sueños ● A Spanish book publisher.
• Twine Games ● Online choose your own adventure games.
• Ubuntu Free Culture Showcase ● Free culture that has been chosen by the Ubuntu community.
• Uncensored Interview ● Interviews
• (un)Common Adventure Gallery ● Collection of free-to-publish genre illustrations.
• unglue.it ● A project to crowdfund the application of Creative Commons licensing
• (un)Playable_G4mes ● 'Where game ideas come to die'
• Unseen Studio ● 'Unseen Studio is a small podcast network promoting Creative Commons culture and Open Source software. We currently have 3 podcasts; CCJam, Crivins and TuxJam.'
• Unsplash ● "Free high-resolution stock photos"
• UNZ.org ● A collection of scanned journal articles.
• US Government ● The source of a tremendous amount of public domain works.
• Valentin Champer ● A poet.
• Vimeo ● A video-hosting site.
• Vimeo ● You can search Vimeo by Creative Commons licence.
• Wellcome Images ● ' Thousands of years of visual culture made free through Wellcome Images'
• White House ● The website of the President of the United States.
• Wikidata ● 'Wikidata is a free knowledge base that can be read and edited by humans and machines alike.'
• Wikimedia Foundation ● A free culture project that gathers a number of wikis.
• Wikinews ● "The Wikinews project is a free content news source of the Wikimedia Foundation that seeks to provide content, free of charge, where everyone is invited to contribute reports about events large and small, either from direct experience, or summarized from elsewhere."
• Wikipedia List of Game Engines ● A list of game engines on Wikipedia.
• Wiley Open Access ● A variety of journals published by Wiley.
• Wizards of the Coast ● A game publisher.
• World Bank Open Knowledge Repository ● "The World Bank Open Knowledge Repository (OKR) is The World Bank’s official open access repository for its research outputs and knowledge products."
• WPClipart ● A collection of public domain clipart.
• Yanone ● A young German jack-of-all-trades.
• YouTube ● A video site.
• Zadkiel ● 'Zadkiel are three piece Alternative-Rock/Indie band from Nottingham.'
• Zenhabits ● 'Zen Habits is about finding simplicity in the daily chaos of our lives.'
• zero-project ● A collection of musical compositions, audiobooks and songs.

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Licences

• Academic Free License ● A libre licence.
• Apache License ● A permissive free software licence.
• BSD License ● Permissive free software licences.
• CERN Open Hardware License ● 'In the spirit of knowledge sharing and dissemination, the CERN Open Hardware Licence (CERN OHL) governs the use, copying, modification and distribution of hardware design documentation, and the manufacture and distribution of products.'
• COPYPASTE License ● A very simple public domain licence.
• Creative Commons ● A non-profit organisation devoted to increasing the number of works available for all to share and adapt.
• Creative Commons Attribution ● A Creative Commons licence which allows copying provided credit is given.
• Creative Commons Attribution-ShareAlike ● A Creative Commons licence which allows copying provided credit is given and adaptations fall under the same licence.
• Creative Commons Copyright-Only Dedication/Public Domain Certification ● A multipurpose and now retired licence.
• Creative Commons ShareAlike ● A retired Creative Commons licence.
• Creative Commons Zero ● A Creative Commons licence which allows copying under any circumstances.
• Free Art License ● A copyleft licence designed specifically for art.
• Free Software Foundation ● A foundation to encourage the use of free software licences.
• Give It Your Own License, License ● Effectively a public domain licence.
• Give It Your Own License, License ● A public domain licence.
• GNU Affero General Public License ● A copyleft software licence.
• GNU Free Documentation License ● A copyleft licence for manuals and software guides.
• GNU General Public License ● A copyleft licence designed for software.
• GNU Lesser General Public License ● A free software licence.
• Jenny Everywhere Declaration ● A declaration that makes a character free for others to use.
• MIT License ● A permissive free software licence from MIT.
• Open Data Commons Attribution ● A permissive libre licence for data.
• Open Data Commons Open Database License ● A copyleft licence for databases.
• Open Database Commons ● 'Open Data Commons exists to provide legal solutions for open data.'
• Open Game License ● A copyleft licence designed for games but usable elsewhere.
• Open Government License ● A permissive licence designed by the British Government.
• Open Hardware License ● A couple of libre hardware licences.
• Open Publication License ● A retired permissive licence.
• Open Web Foundation Final Specification Agreement ● An attribution licence with a patent protection section.
• Open Works License ● A permissive licence.
• Public Domain Mark ● A certification of public domain status.
• SIL Open Font License ● A copyleft font licence.
• TAPR Open Hardware License ● 'The TAPR Open Hardware License is TAPR's contribution to the community of Open Hardware developers.'
• The zlib/libpng License ● A permissive software licence.

• Basic Dungeons & Dragons ● The mechanics of original and basic D&D.
• @ccess ● An OKFN project to encourage libre open access.
• CC-PRO ● A rebranding of the CC BY-SA licence to emphasise its value to professionals.
• d20 System ● The roleplaying system which first appeared in Dungeons & Dragons 3E.
• FATE ● A game system based on the mechanic: dice roll + invoked and tagged Aspects.
• Liberated Pixel Cup ● "Liberated Pixel Cup is a two-part competition: make a bunch of awesome free culture licensed artwork, and then program a bunch of free software games that use it."
• LibrePlanet Gaming Collective ● The LibrePlanet Gaming Collective is a group of free software activists organized around their enthusiasm for video games.
• Rusałka ● A "GMless game of tragic fairy tales"
• Saga Machine ● 'Saga Machine is a brand new tabletop role-playing system by the Tab Creations Collective.'
• The First 100 Days of Government ● The Abbott Liberal Government's assessment of what it has achieved in its first 100 days.
• The Public Domain Game Jam ● A competition to create a game inspired by the public domain.
• The Public Domain Manifesto ● A statement on the value of the public domain.
• Who Needs Access? You Need Access ● An OKFN project to increase open access.