In the wake of the ongoing US-Huawei-Google tussle, many Android enthusiasts are wondering about the different alternative phone operating systems that are out there. We have Apple’s iOS at our disposal, but the cost of owning an iPhone makes it an impossible choice for many (and for me its restrictions were just too much).
But here is a list of alternatives of which LineageOS probably has the widest support for different devices at https://fossbytes.com/android-alternatives-open-source-linux/