LineageOS is an open-source operating system based on the Android platform. It is designed to provide users with a customizable and bloatware-free experience, allowing them to tailor their devices to their preferences. LineageOS supports a wide range of smartphones and tablets, offering regular updates and security patches. The project originated from CyanogenMod, which was discontinued in 2016. LineageOS continues to thrive with a dedicated community of developers and users, ensuring that many older devices can receive modern features and improvements. This makes it a popular choice for those looking to extend the life of their devices.