Suggestions for Zero

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

Package counterz: Additional tools for counters
Package removefr: Remove from counter-reset lists
Package aliascnt: Alias counters
Package assoccnt: Associate counters, making them step when a master steps
Package chngcntr: Change the resetting of counters
Package cntperchap: Store counter values per chapter
Package dcounter: Support dynamic counters
Package totalcount: Commands for typesetting total values of counters
Package xcntperchap: Track the number of subsections etc. that occur in a specified tracklevel
Package sublabel: Sub-number counters
Package totcount: Find the last value of a counter
Package xassoccnt: Associated counters stepping simultaneously
Package dectab: Align columns on a decimal point
Package hex: Print a counter in hexadecimal
Package format: Display a counter as a fixed-point number
Package remreset: Remove counters from reset list
Package perpage: Make a counter reset at every page boundary
Package smartref: Extend LaTeX’s \ref capability
Package seceqn: Number theorems by section
Package bullcntr: Display list item counter as regular pattern of bullets
Package fancynum: Typeset numbers
Package ionumbers: Restyle numbers in maths mode
Package makebase: Typeset counters in a different base
Package ncccomma: Use comma as decimal separator in mathematics
Package numnameru: Converts a number to the russian spelled out name
Package padcount: Pad numbers with arbitrary characters
Package zahl2string: Format numbers as German words
Package modroman: Write numbers in lower case roman numerals
Package numname: Convert a number to its English expression
Package nbaseprt: Print numbers in non-decimal bases
Package ziffer: Conversion of punctuation in maths mode