Suggestions for amsbook

The following packages have something in common with the package amsbook. The packages are ordered in decreasing similarity.

Package amsproc: LaTeX document class for AMS conference proceedings
Package amsart: LaTeX document class for AMS math journal articles
Package extsizes: Extend the standard classes’ size options
Package amsthm: Typesetting theorems (AMS style)
Package amsmidx: Support for multiple indexes in AMS Classes
Package amscls: AMS document classes for LaTeX
Package book: A class for typesetting books
Package memoir: Typeset fiction, non-fiction and mathematical books
Package upref: Ensure references are upright
Package tufte-latex: Document classes inspired by the work of Edward Tufte
Package novel: Class for printing fiction, such as novels
Package scrbook: KOMA-Script book class
Package octavo: Typeset books following classical design and layout
Package willowtreebook: Easy basic book class, built on memoir
Package xtufte: Extend the tufte document classes to run with unicode-aware engines
Package ycbook: A versatile book class
Package bookest: Extended book class
Package nostarch: LaTeX class for No Starch Press
Package flippdf: Horizontal flipping of pages with pdfLaTeX
Package ncccropmark: Draw cropmarks on the output page
Package arabic-book: An Arabic book class
Package basque-book: Class for book-type documents written in Basque
Package qyxf-book: Book Template for Qian Yuan Xue Fu
Package yb-book: Template for YB Branded Books
Package ctex: LaTeX classes and packages for Chinese typesetting
Package beautynote: A package designed to meet the publication of books and the production of LaTeX templates, with elegant chapter
Package langsci: Typeset books for publication with Language Science Press
Package whatsnote: A LaTeX class for taking notes in science, engineering, etc.
Package beautybook: A beautiful book template for maths and science
Package beaulivre: Write your books in a colorful way
Package colorist: Write your articles or books in a colorful way