# FSF-endorsed operating systems

> Linux distributions (mostly also using GNU) endorsed by Free Software Foundation

**Wikidata**: [Q46371164](https://www.wikidata.org/wiki/Q46371164)  
**Source**: https://4ort.xyz/entity/fsf-endorsed-operating-systems

## Summary
FSF-endorsed operating systems are Linux distributions (mostly using GNU components) officially recognized by the Free Software Foundation (FSF). These distributions comply with the FSF's criteria for free software, ensuring they use only free and open-source components. The FSF maintains lists of endorsed distributions, including both GNU/Linux and non-GNU distributions.

## Key Facts
- The FSF endorses Linux distributions that meet its definition of free software, typically using the Linux kernel alongside core GNU components.
- Endorsed distributions include PureOS, Dragora GNU/Linux-libre, Dynebolic, gNewSense, GNU Guix System, Musix GNU/Linux, Trisquel, Ututo, LibreCMC, and ProteanOS.
- The FSF maintains separate lists for free GNU/Linux distributions and free non-GNU distributions.
- Some endorsed distributions, like Parabola GNU/Linux-libre, are entirely free software-only.
- Replicant is a notable exception as it is a free software version of Android, not a traditional GNU/Linux distribution.
- The FSF's endorsement process ensures that distributions meet its strict criteria for free software, including the use of free licenses and no proprietary components.

## FAQs
### Q: What criteria must a Linux distribution meet to be FSF-endorsed?
A: To be FSF-endorsed, a Linux distribution must use only free software components, comply with the FSF's definition of free software, and avoid proprietary software. The distribution must also be based on the Linux kernel and include core GNU components.

### Q: Are all FSF-endorsed distributions GNU/Linux distributions?
A: Most FSF-endorsed distributions are GNU/Linux distributions, but the FSF also endorses some non-GNU distributions, such as Replicant, which is a free software version of Android.

### Q: How does the FSF verify that a distribution is free software?
A: The FSF verifies compliance by reviewing the distribution's components, licenses, and adherence to its free software criteria. Distributions must meet these standards to be included on the FSF's endorsed lists.

### Q: Can a distribution be FSF-endorsed if it includes some proprietary software?
A: No, the FSF does not endorse distributions that include proprietary software. All components must be free and open-source to meet the FSF's criteria.

### Q: How often does the FSF update its list of endorsed distributions?
A: The FSF periodically reviews and updates its lists of endorsed distributions. The exact frequency is not specified, but the lists are maintained to reflect current compliance with free software standards.

## Why It Matters
FSF-endorsed operating systems play a crucial role in promoting free and open-source software. By endorsing distributions that meet the FSF's strict criteria, the organization ensures that users have access to truly free and transparent operating systems. These distributions are particularly important for users who prioritize privacy, security, and control over their software. The FSF's endorsement process helps users identify and trust distributions that align with the principles of free software. Additionally, these operating systems contribute to the broader ecosystem of open-source software, fostering innovation and collaboration. By supporting FSF-endorsed distributions, users can participate in a community that values freedom, transparency, and user rights.

## Notable For
- The FSF's endorsement process ensures that distributions meet strict criteria for free software, including the use of free licenses and no proprietary components.
- The FSF maintains separate lists for free GNU/Linux distributions and free non-GNU distributions, providing users with clear options.
- Some endorsed distributions, like Parabola GNU/Linux-libre, are entirely free software-only, offering users a fully compliant alternative.
- The FSF's endorsement of Replicant highlights its commitment to free software beyond traditional GNU/Linux distributions.
- The FSF's lists serve as a valuable resource for users seeking truly free and open-source operating systems.

## Body
### Overview
FSF-endorsed operating systems are Linux distributions recognized by the Free Software Foundation for meeting its criteria for free software. These distributions are based on the Linux kernel and often include core GNU components. The FSF maintains lists of endorsed distributions, ensuring they comply with its definition of free software.

### Endorsed Distributions
The FSF endorses several Linux distributions, including:
- **PureOS**: Endorsed by the FSF, PureOS is a privacy-focused Linux distribution.
- **Dragora GNU/Linux-libre**: A Linux distribution endorsed by the FSF, Dragora GNU/Linux-libre is known for its focus on free software.
- **Dynebolic**: A Linux distribution endorsed by the FSF, Dynebolic is designed for multimedia and creative work.
- **gNewSense**: A Linux distribution endorsed by the FSF, gNewSense is notable for its use of free software components.
- **GNU Guix System**: A Linux distribution endorsed by the FSF, GNU Guix System is a transactional package manager-based distribution.
- **Musix GNU/Linux**: A Linux distribution endorsed by the FSF, Musix GNU/Linux is designed for audio production.
- **Trisquel**: A Linux distribution endorsed by the FSF, Trisquel is known for its focus on free software and privacy.
- **Ututo**: A Linux distribution endorsed by the FSF, Ututo is a lightweight and user-friendly distribution.
- **LibreCMC**: A Linux distribution endorsed by the FSF, LibreCMC is designed for WiFi routers.
- **ProteanOS**: A Linux distribution endorsed by the FSF, ProteanOS is a privacy-focused distribution.

### Non-GNU Distributions
The FSF also endorses non-GNU distributions, such as:
- **Replicant**: A free software version of Android, Replicant is endorsed by the FSF for its compliance with free software principles.

### Criteria for Endorsement
To be FSF-endorsed, a distribution must:
- Use only free software components.
- Comply with the FSF's definition of free software.
- Avoid proprietary software.
- Be based on the Linux kernel and include core GNU components.

### FSF's Role
The FSF plays a crucial role in promoting free and open-source software. By endorsing distributions that meet its criteria, the FSF ensures that users have access to truly free and transparent operating systems. The organization's endorsement process helps users identify and trust distributions that align with the principles of free software.

### Impact
FSF-endorsed operating systems contribute to the broader ecosystem of open-source software, fostering innovation and collaboration. By supporting these distributions, users can participate in a community that values freedom, transparency, and user rights. The FSF's endorsement process ensures that users have access to operating systems that meet the highest standards for free software.

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## References

1. [Source](https://puri.sm/posts/fsf-endorses-pureos/)
2. [Source](http://www.gnu.org/distros/free-distros.html)
3. [Source](https://www.gnu.org/distros/free-non-gnu-distros.html)