SpecTab : US$10,000
Perl module and macro package (includes rbox2 and rbox3). Draw rules, boxes or text anywhere in, on or around tables, rows, columns cells – and even lines within a cell. No limit to the number of items that can be drawn! Check out the manual – click here for PDF
rbox3 : US$950
Macro and PostScript package for drawing jaw-dropping backgrounds and boxes
rbox2 : US$750
Macro package for box drawing. Providing total control over radii for individual corners, color-to-color graduation tints; ability to turn individual border rules on or off.
start/end rbox2 : +US$250
This add-on to rbox2 (requires rbox2 package) provides the ability to set start and end points and have rbox2 draw between the two. Similar to XPP’s sfbox/efbox macros.