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
- Hoard ● Play a growing dragon.
- Hoborg ● 'A dieselpunk novel with Spanish-created robot hobos in a balcanized America at the beginning of the XX century.' - that anyone can edit, fork and contribute to.
- Homotopy Type Theory: Univalent Foundations Of Mathematics ● 'Homotopy type theory is a new branch of mathematics that combines aspects of several different fields in a surprising way.'
- House of Masks ● In a far off land where mighty sorcerers dwell, the God-King Castor rules from a castle where the spirit realm and physical realm touch, allowing for powerful magics to happen and for a person’s spirit form to take control of one’s body..
- Hyper ● A modular gaming system.
- Icosahedral ● A role-playing game.
- Immersion into Noise ● 'On a planet that is increasingly technologically linked and globally mediated, how might noises break and re-connect in distinctive and productive ways within practices located in the world of art and thought?'
- In the Shade of the Commons ● About bridging the gaps between information societies.
- Income Models for Open Access ● Developing a business model for an open access journal.
- Inkscape ● A vector graphics editor.
- Inside a Star-filled Sky ● A recursive, infinite tactical shooter.
- Integrity at Scale ● A book proposing the Redesign Revolution.
- Intellectual Property: Law and the Information Society ● "This book is an introduction to intellectual property law, the set of private legal rights that allows individuals and corporations to control intangible creations and marks—from logos to novels to drug formulae—and the exceptions and limitations that define those rights."
- International Free & Open Source Software Law Review ● The International Free and Open Source Software Law Review (IFOSS L. Rev.) is a collaborative legal publication aiming to increase knowledge and understanding among lawyers about Free and Open Source Software issues.
- International Journal of the Commons ● A journal that discusses resources that can be shared and used collectively.
- Introduction to Basic Legal Citation ● US legal citation.
- Introduction to Economic Analysis ● 'This book presents standard intermediate microeconomics material and some material that, in the authors' view, ought to be standard but is not.'
- Invulnerable Tabletop Super Hero Roleplaying Game ● 'The Invulnerable RPG Year One Edition allows you to create your own hero, and experience worlds of adventure!'
- Iridium System ● A simple and realistic system combining skills and classes.
- Iron Edda ●
- Is Behavioral Economics Doomed? ● 'Those of you who have read about – and who has not? – the current economic crisis may wonder just how rational economic man or woman is. Behavioral economics has become the modern rage. So is rational economic man – homo economicus – dead?'
- Is It Open Data? ● "We've made it easy for you to make enquiries to data holders about the openness of the material they hold — and to record publicly the results of those efforts."
- It Came From The Wide Blue Yonder ● Cthulhu medieval supers.
- It's a Jetsons World ● A book which contrasts extraordinary private innovation with government recalcitrance.
- JAGS ● A universal generic games system.
- Jazz ● A flexible and easy-to-use game system drawn from many sources.
- Jenny Everywhere ● Jenny Everywhere, aka the Shifter, is the world's first open source superhero.
- Keeping On The Borderlands ● A Fiasco playset parodying Dungeons & Dragons.
- Khas Fara, Village of Fear ● An evil witch has taken over a small town.
- Konkani Vishkawosh ● 'Konkani Vishwakosh is a four-volume hard copy encyclopedia (3632 pages) published by Goa University; a work that took over 14 years to develop.'
- La Cura, an Open Source Cure ● "A brain cancer. Some very personal Open Data. An opportunity."
- Labyrinth Lord ● A retroclone of Basic/Expert D&D.
- Lamentations Of The Fire Princess ● Weird fantasy role-playing.
- Las Calles Hablan ● 'A feature length documentary about street art in Barcelona'
- Let's CC ● A South Korean search engine for Creative Commons materials.
- Libertarian Papers ● A journal of libertarian scholarship.
- Libre Culture ● An anthology arguing for freeing up works from copyright.
- Libre Graphics Magazine ● A magazine focused on GIMP, Inkscape and other open source graphics software — as well as the art created from that software.
- Libre: The Open Source Card Game ● 'In a time where time wasn't, Seven Factions struggle for Liberation of the others so that they may live free and without struggle. This is the world of Libre.'
- Librebus ● A project to raise awareness of libre.
- Light And Matter ● 'This is an introductory text intended for a one-year introductory course of the type typically taken by biology majors, or for AP Physics B.'
- Linked Open Vocabularies ● '[Y]our entry point to the growing ecosystem of linked open vocabularies (RDFS or OWL ontologies) used in the Linked Data Cloud.'
- Linux ● Linux is an operating system. Sometimes called GNU/Linux
- Linvix ● A Spanish language Linux magazine.
- List of Open Source Programs ● List of Open Source Programs for Windows
- Little Wars ● A storytelling game HG Wells played with his children.
- littleBits ● 'An opensource library of electronic modules that snap together with tiny magnets for prototyping and play'
- Living Room ● 'Living room is a musical stop-motion short film about the secret musical life of a group of chewing gums.'
- Lobster ● An extensive font designed to flow seamlessly.
- Longshot ● A science fiction Western.
Sources
- Richard Stallman ● Free software advocate and guru.
- Rob Myers ● An advocate for free culture.
- Ronin Arts ● A publisher.
- RynoTheBearded ● CC-licensed music, 24/7
- Ryzom Asset Repository ● 3D assets from the MMORPG Ryzom.
- Safecast ● A project to empower people with data by distributing the load of data collection.
- Sage LaTorra ● RPG designer.
- Salvatore Scandurra ● An artist
- Sand & Steam ● An RPG company.
- Saylor Foundation ● A foundation to make education free for all.
- ScienceImage ● 'CSIRO has provided permission for anyone to freely use, repost and transform the collection’s 4000+ high definition images and videos. The library represents more than six decades worth of environmental, industrial, agricultural and technological research images.'
- Severed Fifth ● A band.
- SIL International ● An organisation which supports language communities
- Simone Aliprandi ● A researcher into copyright.
- Sketchfab ● 3D models for viewing and download.
- Slim ● A band.
- Software Freedom Conservancy ● 'Software Freedom Conservancy is a not-for-profit organization that helps promote, improve, develop, and defend Free, Libre, and Open Source Software (FLOSS) projects.'
- Soundcloud ● A music site.
- SPARC ● '[A]n international alliance of academic and research libraries working to correct imbalances in the scholarly publishing system.'
- Spiral Graphics ● The makers of closed software Genetica.
- SpringerOpen ● An open access publisher in medicine, science and technology.
- Standford Engineering Everywhere ● 'SEE programming includes one of Stanford’s most popular engineering sequences: the three-course Introduction to Computer Science taken by the majority of Stanford undergraduates, and seven more advanced courses in artificial intelligence and electrical engineering.'
- Stephen Kinsella ● An anti-IP libertarian writer and lawyer.
- Stuart Chaplin ● Story game author.
- Subaqueous ● 'Subaqueous is a solo music project of Isaac Cotec. The music has incorporated beat science to create progressive mid tempo and dance music.'
- Sunspot ● 'Disco-Metal Rock from the Cheese and Beer Galaxy'
- Surlalune Fairy Tales ● Scanned public domain illustrations.
- Tabletop Battles ● A website.
- TakeOnRules ● A publisher.
- Talis ● A private company in the 'innovation business'.
- Teapot Dome Games ● A publisher of free role-playing games.
- Techdirt ● A tech news site.
- TeknoAXE ● Royalty free music in a variety of genres.
- Telecanter ● A tabletop RPG website.
- Tenpenny Joke ● An alternative rock band.
- The Beatles ● A pop band.
- The Best Copyright-Free Photo Libraries ● A collection of US Government photo libraries.
- The Comic Strip Library ● 'The Comic Strip Library is a digital library containing a collection of public domain comic strips.'
- The Comical Ecology of Political Economy ● Includes a list of libre electronic games.
- The Free Motion Quilting Project ● A collection of designs for quilt patches.
- The Freesound Project ● A database of sounds (not songs).
- The Getty ● Public domain images.
- The Golden Years ● Public domain comics, gratis to view but difficult to download.
- The Hill Productions ● A small film company.
- The League of Moveable Type ● 'Here, you'll find only the most well-made, free & open-source, @font-face ready fonts.'
- The Libertarian Standard ● A libertarian blog.
- The Nordic Creative Commons Film Festival ● 'The Nordic Creative Commons Film Festival is the first festival organized in the Nordic region for films created and distributed under CC-licenses.'
- The OSSwin Project ● Open source software on Windows.
- The SCP Foundation ● X-Files like wiki.
- thesixtyone ● Randomly-played music.
- 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.