Formerly called eelo, /e/ is a privacy-focused fork of LineageOS. Developed by e Foundation, the project was started in 2018, and the ROM is available for around 80 Android devices, as of June 2019. Find a list of all the supported devices in the ‘links’ section. The makers aim to give users an ecosystem free from Google apps and services so as to protect their privacy from the big G. Interestingly though, they’re yet to give the ROM a ‘stable’ label, as they’re still on beta builds. You can also check your device page to find if it’s available for your device.