Suggestions for callouts-box

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

• boites: Boxes that may break across pages
• framed: Framed or shaded regions that can break across pages
• mdframed: Framed environments that can split at page boundaries
• tcolorbox: Coloured boxes, for LaTeX examples and theorems, etc
• coloredtheorem: A colourful boxed theorem environment
• adjustbox: Graphics package-alike macros for “general” boxes
• ncccropbox: Crop-marked boxes
• joinbox: Join boxes vertically or horizontally
• hvfloat: Controlling captions, fullpage and doublepage floats
• alertmessage: Alert messages for LaTeX
• dashbox: Draw dashed boxes
• eqparbox: Create equal-widthed parboxes
• efbox: Extension of \fbox, with controllable frames and colours
• fancybox: Variants of \fbox and other games with boxes
• lroundrect: LaTeX macros for utilizing the roundrect METAPOST routines
• makebox: Defines a \makebox* command
• minibox: A simple type of box for LaTeX
• pbox: A variable-width \parbox command
• nccboxes: Elaborate box commands
• fitbox: Fit graphics on a page
• collectbox: Collect and process macro arguments as boxes
• realboxes: Variants of common box-commands that read their content as real box and not as macro argument
• grabbox: Read an argument into a box and execute the code afterwards
• boxedminipage: Framed minipages of a specified total width (text and frame combined)
• fbox: Extended \fbox macro from standard LaTeX
• na-box: Arabic-aware version of pas-cours package
• graphicxbox: Insert a graphical image as a background
• genmpage: Generalization of LaTeX's minipages
• longfbox: Draw framed boxes with standard CSS attributes that can break over multiple pages
• multibox: Multiple boxes and frames for the picture environment
• minipage-marginpar: Minipages with marginal notes