Linux-libre

Linux-libre is a software that is the official 'vanilla' Linux kernel from Linus. It is widely distributed on kernel.org for its compatibility and functionality with other software. However, one of its major drawbacks is that it contains non-free software that can potentially hinder its use.

To address this issue, the developers of Linux-libre have removed all non-free software and maintained a completely free and open source kernel. This ensures that users have complete control and ownership over their software and can modify it as needed.

In terms of functionality, Linux-libre is a highly efficient and reliable software that is used widely for various purposes. Many developers and organizations choose this software due to its stability, security, and flexibility in customization.

Overall, Linux-libre is a highly recommended software for those who value open source principles and are looking for a reliable and efficient kernel for their systems. With its constant updates and features, it is undoubtedly one of the best options available in the market.