Suggestions for extdash

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

Package nccfoots: User-generated footnote marks
Package topsection: An un-numbered top level section
Package watermark: Draw watermarks on the output page
Package tocenter: Centring (and other) Page Layout
Package manyfoot: Adds footnote levels to standard LaTeX’s footnote mechanism
Package nccmath: Extended mathematics capabilities
Package ncccropmark: Draw cropmarks on the output page
Package nccfloats: Extensions of the LaTeX float mechanisms
Package ncccropbox: Crop-marked boxes
Package afterpackage: Add commands to package after it’s loaded
Package bxorigcapt: To retain the original caption names when using Babel
Package ellipsis: Fix uneven spacing around ellipses in LaTeX text mode
Package nolbreaks: No line breaks in text
Package pdfrender: Control rendering parameters
Package subscript: Provides the \textsubscript command
Package titlecaps: Setting rich-text input into Titling Caps
Package transparent: Using a color stack for transparency with pdfTeX
Package icomma: Intelligent commas for decimal numbers
Package natmove: Move punctuation following a citation
Package foreign: Systematic treatment of foreign words in documents
Package underscore: Control the behaviour of _ in text
Package blowup: Upscale or downscale all pages of a document
Package dotlessj: Generates a dot-less j
Package embrac: Upright brackets in emphasised text
Package fix2col: Fix miscellaneous two column mode features
Package magaz: Magazine layout
Package lineno: Line numbers on paragraphs
Package leading: Define leading with a length
Package totpages: Count pages in a document, and report last page number
Package dotlessi: Provides dotless i’s and j’s for use in any math font
Package ifoddpage: Determine if the current page is odd or even