What are some alternatives?
When comparing CopperheadOS and Fedora, you can also consider the following products
LineageOS - Operating system for smartphones and tablet computers, based on the Android
Ubuntu - Ubuntu is a Debian Linux-based open source operating system for desktop computers.
Replicant - Replicant is a distribution of Android that is 100% Free Software.
Linux Mint - Linux Mint is one of the most popular desktop Linux distributions and used by millions of people.
MIUI - Xiaomi MIUI Official Global Site. MIUI is a customized Android ROM developed by Xiaomi for smartphones and tablets. MIUI Forum offers ROM downloads for 251 devices including Mi 6, Mi MIX 2, Redmi Note 4 and others.
Arch Linux - You've reached the website for Arch Linux, a lightweight and flexible Linux® distribution that tries to Keep It Simple. Currently we have official packages optimized for the x86-64 architecture.