Suggestions for Longfbox

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

Package boites: Boxes that may break across pages
Package framed: Breakable framed and shaded boxes
Package mdframed: Framed environments that can split at page boundaries
Package decorule: Decorative swelled rule using font character
Package fancypar: Decoration of individual paragraphs
Package thmbox: Decorate theorem statements
Package background: Placement of background material on pages of a document
Package contour: Print a coloured contour around text
Package shadowtext: Produce text with a shadow behind it
Package shadethm: Theorem environments that are shaded
Package colorframed: Fix color problems with the package framed
Package shadow: Drop shadows for boxes
Package ascmac: Boxes and picture macros with Japanese vertical writing support
Package dashbox: Draw dashed boxes
Package eqparbox: Create equal-widthed parboxes
Package fbox: Extended \fbox macro from standard LaTeX
Package fancybox: Variants of \fbox and other games with boxes
Package minibox: A simple type of box for LaTeX
Package xcoffins: Rich boxed material for LaTeX 3
Package varwidth: A variable-width minipage
Package verbatimbox: Deposit verbatim text in a box
Package grabbox: Read an argument into a box and execute the code afterwards
Package shadbox: Shade the background of any box
Package roundbox: Round boxes in LaTeX
Package crbox: Boxes with crossed corners
Package ghab: Typeset ghab boxes in LaTeX
Package tram: Typeset tram boxes in LaTeX
Package postit: A LaTeX package for displaying Post-it notes
Package xsavebox: Saveboxes for repeating content without code replication, based on PDF Form XObjects
Package pbox: A variable-width \parbox command
Package makebox: Defines a \makebox* command