Originally Posted by anthraxx90 View Post
is there a stable cyanogenmod for nexus 5? or what's best smooth performance stable rom?
Theres no officially labelled stable builds yet, however there are a few snapshot builds. They should be more stable than nightlies.

Asking for the best rom on xda is against the rules. The question is subjective and thus it varies from user to user. Try a few out and see what satisfies your needs. To answer your question though, most roms here are somewhat stable. Just read through the last few pages of the particular rom's dev thread to see if there are any issues before flashing.