Suggestions for ncccropbox

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

Package hvfloat: Controlling captions, fullpage and doublepage floats
Package adjustbox: Graphics package-alike macros for general boxes
Package manyfoot: Adds footnote levels to standard LaTeX’s footnote mechanism
Package nccmath: Extended mathematics capabilities
Package nccfloats: Extensions of the LaTeX float mechanisms
Package joinbox: Join boxes vertically or horizontally
Package boites: Boxes that may break across pages
Package framed: Breakable framed and shaded boxes
Package beamer-varbox: Provide beamer boxes with variable size corners
Package extdash: A range of dash commands for compound words
Package nccfoots: User-generated footnote marks
Package topsection: An un-numbered top level section
Package watermark: Draw watermarks on the output page
Package tocenter: Centring (and other) Page Layout
Package pdf-trans: A set of macros for various transformations of TeX boxes
Package ncccropmark: Draw cropmarks on the output page
Package afterpackage: Add commands to package after it’s loaded
Package rotate: Rotation support for TeX boxes
Package tcolorbox: Coloured boxes, for LaTeX examples and theorems, etc.
Package mdframed: Framed environments that can split at page boundaries
Package bitset: Handle bit-vector datatype
Package jsonparse: Parse, store and access JSON data in LaTeX documents
Package latex2pydata: Write data to file in Python literal format
Package mfirstuc: Uppercase the first letter of a word
Package stringstrings: String manipulation for cosmetic and programming application
Package scalerel: Constrained scaling and stretching of objects
Package rotate-textures: Box rotation macros for Textures
Package mboxfill: Fill free space with a pattern
Package nccparskip: Modify skips between paragraphs
Package nccrules: Compose dashed lines
Package nccboxes: Elaborate box commands