Suggestions for Linsys

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

Package thrmappendix: Theorems, lemmas, etc., in appendix
Package rbt-mathnotes: Rebecca Turner’s personal macros and styles for typesetting mathematics notes
Package rmthm: Use a roman font for theorem statements
Package alleqno: Automatic numbering of all equations
Package bfsymb: Generate bold symbols in Plain TeX mathematics
Package eqnarray209: A fix for LaTeX 2.09 eqnarray
Package mrecog: Recognise un-escaped command names in maths
Package undertilde-gen: A simple macro for placing a tilde under a character
Package ltxmisc: Miscellaneous LaTeX packages, etc.
Package eqnalign: Make eqnarray behave like align
Package phfthm: Goodies for theorems and proofs
Package inkpaper: A mathematical paper template
Package mhs: Historical mathematics
Package atendofenv: Add a custom symbol at the end of an environment
Package jmsdelim: A package for compositional delimiter sizing
Package resmes: Measure restriction symbol in LaTeX
Package skmath: Extensions to the maths command repertoir
Package boldtensors: Bold latin and greek characters through simple prefix characters
Package bropd: Simplified brackets and differentials in LaTeX
Package conteq: Typeset multiline continued equalities
Package correctmathalign: Correct spacing of the alignment in expressions
Package cascade: Constructions with braces to present mathematical demonstrations
Package complexpolylongdiv: Typesetting (complex) polynomial long division
Package delim: Simplify typesetting mathematical delimiters
Package delimseasy: Delimiter commands that are easy to use and resize
Package fixdif: Macros for typesetting differential operators
Package flagderiv: Flag style derivation package
Package freemath: LaTeX maths without backslashes
Package lplfitch: Fitch-style natural deduction proofs
Package mhequ: Multicolumn equations, tags, labels, sub-numbering
Package mdwmath: Some maths extensions