Freespire

Freespire, a Linux-based OS, has become popular among users due to its open-source nature that offers the best of free software. It is community-driven, and the distribution of the source code is available for free to all users. Additionally, users can include proprietary codecs, drivers, and applications if they choose to do so.

Users are free to install any software they wish, and there are no limitations or restrictions on it. The choice of what software to install is entirely theirs. Freespire provides its users with the freedom to maximize computer performance in a way they find suitable.

Overall, the customizable nature of Freespire makes it an excellent choice for those who want an OS with a high degree of flexibility, and it is also good for developers who want to create solutions that are tailored towards specific needs.