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:
Works
- Love Me Do ● A Beatles classic.
- Lunatics ● "Lunatics is a story about the first permanent settlement off of the Earth, in a tiny colony on the Moon near Sinus Iridium."
- Magic Sword ● A project to clone and improve upon D&D 4E.
- Magpie Codex ● A light and generic fantasy RPG.
- Maki ● "A clean point of interest icon set made especially for cartography."
- Man & Ubermensch ● A fascist super replaces the US president during WWII.
- Masks ● 'Masks is a pen-and-paper role-playing game of super powered heroes, with addictive character generation and comic-book combat pacing.'
- Mazes & Perils ● 'Mazes & Perils is a game of imagination and role playing in a fantasy world, suitable for ages 10 and up.'
- Media Studies 101 ● Creative Commons crowdsourced textbook.
- MediaGoblin ● 'MediaGoblin is a free software media publishing platform that anyone can run. You can think of it as a decentralized alternative to Flickr, YouTube, SoundCloud, etc.'
- Meet Creative Commons ● A video introducing and explaining Creative Commons.
- Men of Stones ● This is a game of drama, of desires, motivations, and downfalls.
- Men Of Stones ● 'This is a game of drama, of desires, motivations, and downfalls. You play characters caught up in a devastating circle of events that can lead only to a tragic fall.'
- Microcosm ● A game from Amagi Games.
- Microlite20 ● A simplified version of the d20 System.
- Midgard ● Play a viking hero on epic adventures.
- Midian ● An intricate and lengthy RPG of dark fantasy.
- Mimi and Eunice ● A webcomic which often covers copyright-related issues.
- Mini Six ● A short and sweet take on the d6 System.
- Mist-Robed Gate ● 'Which is more important: your desire or your life? In the martial arts underworld of Mist-Robed Gate, you can never have both.'
- MonkStory ● A simple HTML5 game made for the Liberated Pixel Cup.
- Monster RPG 2 ● 'Monster RPG 2 is a fantasy quest that spans continents and worlds and lets you take a simple villager and develop her into a hero with the power to save her world.'
- Moonshades ● Browser-based single-player fantasy electronic game.
- Moving Image Contest ● The results of a contest to explain the tension between culture and copyright.
- Muktware ● A Linux magazine.
- MULRAH ● An RPG that has undergone considerable changes in recent versions.
- MurderHobos ● "MurderHobos gets to the meat of dungeon crawling: killing things and taking their stuff."
- Musopen Collection ● Music files from Musopen.
- Mutant Future ● Post-apocalyptic role-playing compatible with Labyrinth Lord.
- Mutants & Masterminds ● A d20 superhero RPG.
- MyPaint ● A simple graphics program.
- myPolice Data ● Queensland police force sharing its crimes data.
- Myriad ● A rules-light modular generic RPG.
- Myth & Magic ● An adaptation of 2E AD&D.
- Nameless Horror ● A horror RPG.
- National Elevation Data Framework ● 'Digital elevation data which describes Australia's landforms and seabed'
- National Repository of Open Educational Resources ● 'National Repository of Open Educational Resources offers resources for all school subjects and grades in multiple languages. The resources are available in the form of concept maps, videos, audio clips, talking books, multimedia, learning objects, photographs, diagrams, charts, articles, wikipages and textbooks.'
- Necronautica ● A game of heroic soldiers fighting against an alien invasion.
- Neverwell Moor ● A game where you wander around exploring an island.
- New Education Highway ● A non-profit working with OER and local educators.
- News Of The Empire ● A one-page Victorian steampunk setting, written in newspaper format
- Nothing To Hide ● An "anti-stealth" computer game - you have to be complicit in your own surveillance!
- Not-Too-Silly Stories ● A rules-light, GMless game designed for children.
- Number Appearing ● A Dungeon World supplement.
- Octobriana ● A public doman, communist-era superhero.
- Odia Opentype UNICODE Jagannatha font ● Encoding the Odia script in Unicode.
- OER@AVU ● Academic material from African universities.
- Oil Contracts ● Understanding how oil contracts work - over 200 pages.
- Old Messila ● Billy the Kid is on a train to Old Messila, doomed to hanging in this Hackbird.
- omnibus.io ● A Dungeon World database.
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.
- 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.