Suggestions for filecontentsdef

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

Package stampinclude: Inclusion based on .aux file date stamps
Package filecontents: Create an external file from within a LaTeX document
Package grffile: Extended file name support for graphics (legacy package)
Package scontents: Stores LaTeX contents in memory or files
Package filedate: Access and compare info and modification dates
Package zwgetfdate: Get package or file date
Package snapshot: List the external dependencies of a LaTeX document
Package getfiledate: Find the date of last modification of a file
Package import: Establish input relative to a directory
Package fileerr: LaTeX’s mechanisms for dealing with file errors
Package enparen: Consistent nested brackets
Package scrlfile: Installation control for KOMA-Script packages
Package attrib: Attribution of block quotations in LaTeX
Package aliascnt: Alias counters
Package bracealign: Align braces under and over math expressions
Package chngcntr: Change the resetting of counters
Package changelog: Typesetting keepachangelog.com style changelogs
Package doclicense: Support for putting documents under a license
Package gitinfo2: Access metadata from the git distributed version control system
Package interval: Format mathematical intervals, ensuring proper spacing
Package morewrites: Always room for a new write stream
Package nicefilelist: Provide \listfiles alignment
Package totalcount: Commands for typesetting total values of counters
Package sublabel: Sub-number counters
Package totcount: Find the last value of a counter
Package longnamefilelist: Tidy \listfiles with long file names
Package myfilist: Configuring the output of the \listfiles command
Package readprov: Provides GetFileInfo without the need to load the file
Package scrwfile: Use LaTeX .aux file in place of \newrite files
Package embrac: Upright brackets in emphasised text
Package bizcard: Typeset business cards