Suggestions for tram

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

Package proofread: Commands for inserting annotations
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 postit: A LaTeX package for displaying Post-it notes
Package to-be-determined: Highlight text passages that need further work
Package codebox: Highlighted source code in a fancy box
Package longfbox: Draw framed boxes with standard CSS attributes that can break over multiple pages
Package coloredtheorem: A colourful boxed theorem environment
Package boites: Boxes that may break across pages
Package mdframed: Framed environments that can split at page boundaries
Package framed: Breakable framed and shaded boxes
Package frame: Framed boxes for Plain TeX
Package nameauth: Name authority mechanism for consistency in body text and index
Package shadebox: Shade boxes using PostScript specials
Package ed: Editorial Notes for LaTeX documents
Package draftmark: Put draft marks on selected pages
Package errata: Error markup for LaTeX documents
Package minorrevision: Quote and refer to a manuscript for minor revisions
Package vrsion: Add version number to a DVI file
Package draftcopy: Identify draft copies
Package extract: Write selected parts of a document to a separate file
Package fancytabs: Fancy page border tabs
Package gradientframe: Simple gradient frames around objects
Package sectionbox: Create fancy boxed ((sub)sub)sections
Package notes: Mark sections of a document
Package alertmessage: Alert messages for LaTeX
Package lroundrect: LaTeX macros for utilizing the roundrect METAPOST routines
Package nccboxes: Elaborate box commands
Package dpcircling: Decorated text boxes using TikZ