At various times, sages have authored literature on their primary set of beliefs and ethics. These are called Neeti. There are various Neeti, of which authored the following are worth mentioning:-
Vidur Neeti
Chaanakyaa Neeti
Bhartrihari Neeti
Shukra Neeti
Shukra Niti also available at: https://archive.org/details/ShukraNeetiWithPrakritaShlokaRamChandraGovindShastri/page/n1