Suggestions for anti

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

Package hep-gen: Generic macros for quantum physics
Package undertilde-gen: A simple macro for placing a tilde under a character
Package mandel: Compute the Mandelbrot set
Package physics: Macros supporting the Mathematics of Physics
Package qm: Commands for bras and kets and the like
Package physics-patch: Improved version of the physics package
Package lpform: Typesetting linear programming formulations and sets of equations
Package pmat: Typeset partitioned matrices
Package cora-macs: Macros for continuous sets and neural networks in the context of cyber-physical systems
Package physics3: Modularized package for easy setting of physical formulas
Package linop: Typeset linear operators as they appear in quantum theory or linear algebra
Package nchairx: Maths macros from chair X of Würzburg University
Package physics2: Macros for typesetting maths faster and more simply
Package pm-isomath: Poor man ISO math for pdfLaTeX users
Package phfqit: Macros for typesetting Quantum Information Theory
Package schulmathematik: Commands and document classes for German-speaking teachers of mathematics and physics
Package ruler: A typographic ruler for TeX
Package olsak-misc: Collection of plain TeX macros written by Petr Olšák
Package arabic: Read a lower-case roman number
Package backgrnd: Mark text with grey background or change bar
Package dow: Calculate day of week from a numeric date
Package emtrees: Draw labelled trees, using emTeX \specials
Package fakebold: A simple macro for faking bold fonts
Package longdiv: Long division arithmetic problems
Package letterspacing: Letter spacing
Package outerhbox: Collect horizontal material for contributing to a paragraph
Package ragged: Generic ragged left and ragged right options
Package swrule: Lines thicker in the middle than at the ends
Package verbatim-gen: Generic macros for setting text verbatim
Package wiggly: Draw wiggly lines under text
Package calendarweek: Calculate the week number of a date