Open source and models revolutionize how we share and use intellectual property. These systems allow free access, modification, and distribution of software and creative works, fostering collaboration and innovation in tech and creative fields.

By offering alternatives to traditional copyright, these models balance creator rights with public benefit. They enable wider access to knowledge and resources, while still providing ways for creators to control how their work is used and shared.

Open Source and Copyleft Licenses

Open Source Software and Licensing

Top images from around the web for Open Source Software and Licensing
Top images from around the web for Open Source Software and Licensing
  • Open source software allows users to freely access, modify, and distribute the source code
  • Promotes collaboration and community-driven development by enabling anyone to contribute to the project
  • Open source licenses grant users the right to use, study, modify, and distribute the software without restrictions
  • Encourages transparency and enables users to audit the code for security vulnerabilities or bugs

Copyleft and the GNU General Public License (GPL)

  • is a type of open source license that requires any derivative works to be released under the same license terms
  • Ensures that the freedoms granted by the original open source license are preserved in all subsequent versions and modifications
  • The () is the most widely used copyleft license
    • Requires any software that incorporates GPL-licensed code to be released under the GPL as well
    • Prevents proprietary software from using GPL-licensed code without releasing the entire project under the GPL
  • Copyleft licenses promote the continued openness and availability of the software and its derivatives

Permissive Licenses and the MIT License

  • , such as the , allow users to modify and distribute the software without requiring them to release their changes under the same license
  • The MIT License is a simple, permissive license that grants users the right to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the software
    • Requires only that the original copyright notice and license text be included in all copies or substantial portions of the software
  • Permissive licenses provide more flexibility for users who want to incorporate the software into their own projects, including proprietary software
  • Popular open source projects using the MIT License include jQuery, Ruby on Rails, and Node.js

Creative Commons Licenses

Creative Commons and Content Licensing

  • Creative Commons (CC) is a non-profit organization that provides a set of free, easy-to-use copyright licenses for creative works
  • CC licenses allow creators to grant specific permissions for others to use, share, and sometimes modify their work
  • Provides a standardized way for content creators to communicate how they want their work to be used and shared
  • CC licenses are widely used for various types of content, including images, music, videos, and educational materials

Attribution and Share-Alike Requirements

  • Many require users to give attribution to the original creator when using or sharing the work
    • Attribution typically includes the creator's name, the work's title, and a link to the original source
  • Some CC licenses, such as (), also require users to release any derivative works under the same license terms
    • Share-alike requirement ensures that the original work and its derivatives remain freely accessible and reusable by others
  • Attribution and share-alike requirements help to ensure that creators receive credit for their work and that the spirit of sharing is maintained

Public Domain and CC0

  • The refers to creative works that are not protected by copyright and can be freely used by anyone without permission
  • Works may enter the public domain when the copyright expires, the creator dedicates the work to the public domain, or the work is ineligible for copyright protection
  • Creative Commons offers the (CC Zero) public domain dedication, which allows creators to waive all rights to their work and place it in the public domain
    • CC0 enables others to use, modify, and distribute the work without any restrictions or requirements for attribution
  • Public domain works and CC0-dedicated content provide a valuable resource for creators who need to use or build upon existing works without the need for permission or attribution

Key Terms to Review (23)

Attribution-sharealike: Attribution-ShareAlike is a Creative Commons license that allows users to distribute, remix, adapt, and build upon a work, as long as they credit the original creator and license their new creations under identical terms. This license promotes sharing and collaboration while ensuring that derivative works remain accessible under the same conditions. It reflects the principles of openness and user contribution, fostering a more participatory culture in creative fields.
Cc by-sa: The cc by-sa, or Creative Commons Attribution-ShareAlike license, is a type of open content license that allows others to share, remix, and adapt a work as long as they give appropriate credit to the original creator and license their new creations under identical terms. This license fosters collaboration and encourages the growth of creative works while ensuring that the original creators receive recognition. It is commonly used for various forms of media, including text, music, and art, enabling a community-driven approach to creativity.
Cc0: CC0, or Creative Commons Zero, is a public domain dedication tool that allows creators to relinquish their copyright and related rights in their works, effectively placing them in the public domain. This means that anyone can use, modify, and distribute these works without asking for permission or giving credit to the creator. It plays a significant role in promoting the sharing of knowledge and cultural resources while also enabling collaboration and innovation across various fields.
Collaborative Innovation: Collaborative innovation refers to the process where multiple individuals, organizations, or entities work together to develop new ideas, products, or solutions, leveraging diverse expertise and resources. This approach encourages sharing knowledge and fostering creativity, leading to improved outcomes and increased efficiency. It often thrives in open environments where transparency and communication are prioritized.
Copyleft: Copyleft is a licensing approach that allows creators to grant others the freedom to use, modify, and distribute their work while ensuring that the same freedoms are preserved in derivative works. This concept plays a crucial role in open-source software and creative commons models by promoting collaborative creativity and protecting the rights of authors in a way that encourages sharing rather than restricting access.
Creative Commons: Creative Commons is a non-profit organization that provides free legal tools to help creators share their work while protecting their rights. It offers a variety of licenses that allow creators to specify how others can use their works, promoting collaboration and the sharing of knowledge. By providing flexible copyright options, Creative Commons encourages innovation and the free exchange of ideas across various media, including art, music, literature, and education.
Creative Commons Licenses: Creative Commons licenses are a set of copyright licenses that enable creators to share their work legally while retaining certain rights. These licenses provide a flexible range of protections and freedoms for authors, artists, and educators, allowing them to dictate how their creations can be used by others. By using Creative Commons licenses, creators can promote sharing and collaboration while still protecting their intellectual property.
Disruptive Innovation: Disruptive innovation refers to the process by which a smaller company with fewer resources successfully challenges established businesses, often by targeting overlooked segments of the market. This kind of innovation typically starts in simpler applications and then moves upmarket, eventually displacing established competitors. It connects deeply with technology evolution, market dynamics, and shifts in consumer behavior.
Free Software Foundation: The Free Software Foundation (FSF) is a nonprofit organization founded in 1985 to promote the universal freedom to study, distribute, create, and modify computer software. The FSF advocates for the concept of free software, which emphasizes user rights and encourages the development of software that is accessible and modifiable by anyone. This foundation plays a crucial role in supporting the open-source movement and ensuring that software remains free and ethical.
GNU General Public License: The GNU General Public License (GPL) is a widely used free software license that guarantees end users the freedom to run, study, share, and modify the software. It plays a critical role in promoting open source software development by ensuring that any derivative works must also be distributed under the same license, thus preserving the same freedoms for future users and developers.
GPL: The GPL, or General Public License, is a widely used free software license that ensures end users the freedom to run, study, share, and modify the software. This license promotes collaboration and the sharing of software code while requiring that any modified versions of the software also be distributed under the same GPL license, maintaining the openness and accessibility of the original code.
Lawrence Lessig: Lawrence Lessig is a prominent American legal scholar and advocate for copyright reform, particularly known for his work on the implications of digital technology on intellectual property laws. He is a co-founder of Creative Commons, which provides a framework for sharing and licensing creative works, and has significantly influenced the discourse surrounding open-source models by highlighting the importance of free culture and accessibility in the digital age.
Linux: Linux is an open-source operating system kernel that serves as the foundation for various operating systems, commonly referred to as Linux distributions. It is built on a collaborative model where developers worldwide contribute to its development, leading to a diverse range of applications and uses across servers, desktops, and embedded systems. The open-source nature of Linux allows users to modify, distribute, and study the software freely, embodying the principles of transparency and community-driven innovation.
Market democratization: Market democratization refers to the process through which access to markets becomes more inclusive and equitable, allowing a broader range of participants to engage in economic activities. This concept emphasizes the importance of open access, transparency, and fairness in market systems, enabling diverse voices and innovations to emerge. As a result, market democratization fosters creativity and collaboration, particularly within frameworks like open source and Creative Commons models that encourage shared knowledge and resources.
MIT License: The MIT License is a permissive free software license that allows users to freely use, modify, and distribute software while ensuring that all original copyright notices and license terms are preserved. This license promotes open-source collaboration by allowing developers to incorporate MIT-licensed code into both open-source and proprietary projects without significant restrictions.
Mozilla Firefox: Mozilla Firefox is a free and open-source web browser developed by the Mozilla Foundation, designed to be fast, secure, and user-friendly. As one of the leading open-source software projects, Firefox emphasizes privacy and customization while providing users with an alternative to proprietary browsers.
Network Effects: Network effects occur when the value of a product or service increases as more people use it, creating a feedback loop that can lead to rapid growth and market dominance. This phenomenon is critical in understanding how technologies and platforms gain traction and influence various aspects of market dynamics.
Open source model: The open source model is a collaborative approach to software development where the source code is made publicly available, allowing anyone to use, modify, and distribute the software freely. This model promotes transparency, community engagement, and innovation by enabling developers from around the world to contribute to projects and share their improvements.
Permissive licenses: Permissive licenses are a category of software licenses that allow users to freely use, modify, and distribute the software with minimal restrictions. This type of licensing encourages collaboration and sharing by allowing users to integrate the software into proprietary projects without needing to disclose their own source code. Such licenses are often favored in open source and Creative Commons models as they promote innovation while providing developers with more freedom in how they utilize the software.
Public domain: Public domain refers to a category of creative works that are free for anyone to use, share, and build upon without permission or payment. Works enter the public domain typically when their copyright has expired, or they were never eligible for copyright protection in the first place. This concept is crucial for fostering creativity and innovation as it allows individuals and organizations to access and utilize a wide array of resources without legal restrictions.
Repository: A repository is a central location where data, files, or resources are stored and managed for easy access and sharing. In the context of open source and Creative Commons models, repositories serve as platforms for collaboration, allowing users to contribute, modify, and distribute creative works or software in a transparent manner, fostering innovation and community engagement.
Richard Stallman: Richard Stallman is a prominent software freedom activist and programmer known for founding the Free Software Foundation and initiating the Free Software movement. His advocacy for software that respects user freedoms has significantly shaped the open-source and creative commons landscapes, emphasizing the importance of access to source code and the rights of users to modify and share software.
Version Control: Version control is a system that manages changes to documents, programs, and other collections of information, allowing multiple users to collaborate and keep track of different versions. This is essential in environments where teamwork is crucial, as it provides a clear history of modifications, enables reverting to previous states, and maintains the integrity of the content. It plays a vital role in open source development and Creative Commons models by facilitating collaboration and ensuring that contributions are accurately recorded and attributed.
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