Suggestions for callouts-box

The following packages have something in common with the package callouts-box. The packages are ordered in decreasing similarity.

Package coloredtheorem: A colourful boxed theorem environment
Package boites: Boxes that may break across pages
Package tcolorbox: Coloured boxes, for LaTeX examples and theorems, etc.
Package mdframed: Framed environments that can split at page boundaries
Package framed: Breakable framed and shaded boxes
Package joinbox: Join boxes vertically or horizontally
Package adjustbox: Graphics package-alike macros for general boxes
Package beamer-varbox: Provide beamer boxes with variable size corners
Package hvfloat: Controlling captions, fullpage and doublepage floats
Package ncccropbox: Crop-marked boxes
Package alertmessage: Alert messages for LaTeX
Package lroundrect: LaTeX macros for utilizing the roundrect METAPOST routines
Package nccboxes: Elaborate box commands
Package na-box: Arabic-aware version of pas-cours package
Package callouts: Put simple annotations and notes inside a picture
Package shadbox: Shade the background of any box
Package parboxx: Two extra alignment options for \parbox
Package lucide-admonitions: Provides environments for rendering admonition boxes in multiple languages
Package pbox: A variable-width \parbox command
Package roundbox: Round boxes in LaTeX
Package crbox: Boxes with crossed corners
Package graphicxbox: Insert a graphical image as a background
Package ghab: Typeset ghab boxes in LaTeX
Package minipage-marginpar: Minipages with marginal notes
Package makebox: Defines a \makebox* command
Package tram: Typeset tram boxes in LaTeX
Package ktbox: Framework for semantic color, structured highlighting, and scholarly communication
Package pynotebook: pynotebook presents (raw, Markdown or Python) codes (and execution with LuaLaTeX) as in a Jupyter Notebook
Package fitbox: Fit graphics on a page
Package genmpage: Generalization of LaTeX’s minipages
Package postit: A LaTeX package for displaying Post-it notes