Suggestions for sectionbox

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

Package fancytabs: Fancy page border tabs
Package gradientframe: Simple gradient frames around objects
Package notes: Mark sections of a document
Package shadbox: Shade the background of any box
Package gitstatus: Include Git information in the document as watermark or via variables
Package highlightx: Highlight formulas or paragraphs
Package proofread: Commands for inserting annotations
Package parselines: Apply a macro to each line of an environment
Package roundbox: Round boxes in LaTeX
Package terminalcode: Terminal-style code display with ANSI colors, UTF-8 box-drawing, and dark/light themes
Package ullrcorners: Draw corners on the upper left and lower right sides of a word
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 styleitems: Independent auto-numbered list labels drawn with TikZ
Package annotate-equations: Easily annotate math equations using TikZ
Package codebox: Highlighted source code in a fancy box
Package decorule: Decorative swelled rule using font character
Package froufrou: Fancy section separators
Package fancypar: Decoration of individual paragraphs
Package longfbox: Draw framed boxes with standard CSS attributes that can break over multiple pages
Package na-urmborder: A package for professional geometric page borders for mathematical documents using umranda and umrandb fonts
Package na-cover: Custom artistic covers and borders for educational documents and magazines
Package sectionbreak: LaTeX support for section breaks
Package thmbox: Decorate theorem statements
Package to-be-determined: Highlight text passages that need further work
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