Nalayira Divya Prabandham

A collection of 4,000 (nalayiram) verses in honor of  Vishnu, composed by the 12 Alwars, sung in 108 Divya Desham. The work was collected and compiled by Nathamuni.

Structure of Nalayira Divya Prabhandam
http://www.srivaishnavam.com/4000total.htm

Parts of Nalayira Divya Prabhandam
https://4000divyaprabandham.wordpress.com/
http://azhwar.org/
http://divyaprabandham.koyil.org/
http://ramanuja-nootrandadi.blogspot.com/

Complete Nalayira Divya Prabandham
https://www.projectmadurai.org/pm_etexts/utf8/pmuni0621_eng.html

The counterpart of Shiva tradition is the Tirumurai.