The Ramayana consists of 7 books, called Kanda.
Bala Kanda – The book of the childhood
Ayodhya Kanda – The book of Ayodhya
Aranya Kanda – The book of the forest
Kishkinda Kanda – The book of Kishkinda
Sundara Kanda – The beautiful book
Yuddha Kanda – The book of the battle
Uttara Kanda – The last book (later addition, not by Valmiki)
A short Ramayana – Samkshepa Ramayana
http://stotrarathna.blogspot.com/2009/07/samkshepa-ramayana.html
Adhyathma Ramayana of Thunchathu Eluthachan
http://rajathathas.blogspot.com/2012/05/what-is-adhyathma-ramayanam.html
Adbhuta Ramayana
https://tulsidas-ram-books.weebly.com/uploads/2/1/7/4/21746472/adbhut_ramayan.pdf