The LineageOS custom ROM project that was started from the ashes of CyanogenMod, now has build 14.1 available for the Exynos based Samsung Galaxy S7 and Galaxy S7 edge.
Other models now supported by LineageOS 14.1 include the Samsung Galaxy Tab S2 9.7 (Wi-Fi and LTE), the Samsung Galaxy Note 8 tablet (GSM, Wi-Fi and LTE) the Samsung Galaxy S III (GSM and LTE) and the LG G3 (AT&T, Korean, and Verizon versions). The build is based on Android 7.1.