Philosophical Different of Libre Software and Open Source Software

Libre software and open-source software are two distinct movements with different philosophical perspectives, even though they often share common goals related to the accessibility and transparency of software. The key philosophical differences between these two concepts are as follows:

Fundamental Values:

Libre Software: The "Libre" in Libre software comes from the Romance languages and translates to "free as in freedom." The philosophical foundation of Libre software is based on the concept of software freedom. It emphasizes the user's fundamental freedoms to use, study, modify, and share the software. The Free Software Movement, led by Richard Stallman and the Free Software Foundation (FSF), advocates for these freedoms as essential rights for users, promoting user autonomy and control over the technology they use.

Open Source Software: The open-source movement focuses on the practical benefits of collaborative development and transparency, rather than the ethical considerations of software freedom. The term "open source" was coined in the late 1990s to emphasize the advantages of making source code openly available for collaboration and peer review. While open-source advocates also value transparency and collaboration, they may not place the same emphasis on the moral imperative of software freedom.

Ethical vs. Practical Focus:

Libre Software: The Libre software movement places a strong emphasis on ethical considerations. It views proprietary software as a restriction on individual freedoms and promotes the idea that software should empower its users, not control them. The primary goal of the Free Software Movement is to protect users' rights to use, modify, and distribute software as they see fit.

Open Source Software: The open-source movement focuses on the pragmatic advantages of open development methodologies. It highlights the benefits of increased collaboration, peer review, and community-driven development. While ethical considerations are not disregarded in the open-source community, the primary motivation lies in producing high-quality, reliable, and secure software through open collaboration.

License Terminology:

Libre Software: Software that adheres to the principles of software freedom and grants users the essential freedoms is often referred to as "Libre software" or "free software." The emphasis is on the freedom aspect, indicating that users have certain rights regarding the software's use and distribution.

Open Source Software: Software that is developed with an open-source license is referred to as "open-source software." The emphasis here is on the availability of the source code for public inspection and collaboration.

Despite these philosophical differences, it's essential to note that both Libre software and open-source software movements have significantly contributed to the development of technology and the software industry. They continue to advocate for greater transparency, accessibility, and community collaboration in software development, albeit with varying motivations and language.


The Libre software movement and the open-source movement are two distinct approaches to promoting the collaborative development and widespread distribution of software. While they share common goals related to transparency and accessibility of software, they have different philosophical underpinnings and focus on different aspects of the software development process. Let's explore the key differences between these two movements:

Philosophical Foundations:

Libre Software Movement:

The Libre software movement is rooted in the concept of "software freedom." It emphasizes the ethical and moral values of software users having the freedom to use, study, modify, and distribute the software as they see fit.

The focus of the Libre software movement is on users' rights and autonomy. It asserts that proprietary software, which restricts users' freedoms, is morally wrong and that software should empower individuals rather than control them.

The movement's philosophy is often associated with the Free Software Foundation (FSF), founded by Richard Stallman, and its GNU General Public License (GPL), which is a copyleft license designed to protect users' freedoms.

Open-Source Movement:

The open-source movement, on the other hand, emphasizes practical benefits and the technical advantages of collaborative development and peer review. It is more concerned with the quality, reliability, and security of software, rather than the moral aspects of user freedom.

The focus of the open-source movement is on the collaborative development model, where the source code of software is made openly available for inspection, modification, and improvement by a community of developers.

The open-source movement is associated with the Open Source Initiative (OSI) and its Open Source Definition, which lays out the criteria for what qualifies as open-source software.

Terminology:

Libre Software Movement:

In the context of the Libre software movement, software that adheres to the principles of software freedom is often referred to as "Libre software" or "free software." The term "free" here refers to freedom rather than cost, as in "free as in freedom, not as in free beer."

Open-Source Movement:

In the context of the open-source movement, software that meets the criteria of open development and open-source licensing is referred to as "open-source software." The emphasis here is on the accessibility of the source code.

Focus on User Freedom vs. Technical Advantages:

Libre Software Movement:

The Libre software movement places a strong emphasis on the ethical considerations of software freedom and users' rights. It advocates for the use of copyleft licenses, such as the GPL, to ensure that derivative works also remain under the same terms of software freedom.

Open-Source Movement:

The open-source movement focuses more on the practical advantages of open development, such as increased security through peer review, faster innovation through collaboration, and lower costs due to shared development efforts.

In summary, while both the Libre software movement and the open-source movement advocate for openness, transparency, and collaboration in software development, they differ in their philosophical foundations and the emphasis they place on ethical considerations versus practical benefits. Both movements have made significant contributions to the world of software and continue to shape the way software is developed and distributed today.