Suggestions for required
The following packages have something in common with the package required. The packages are ordered in decreasing similarity.
- plainmisc: Miscellaneous contributed macros for plain TeX
- obsolete: A tree holding obsolete software
- qobitree: LaTeX macros for typesetting trees
- syntrace: Labels for tracing in a syntax tree
- treesvr: Tree macros
- ecltree: Trees using epic and eepic macros
- linguex: Format linguists' examples
- qtree: Draw tree structures
- rrgtrees: Linguistic tree diagrams for Role and Reference Grammar (RRG) with LaTeX
- williams: Miscellaneous macros by Peter Williams
- xyling: Draw syntactic trees, etc., for linguistics literature, using xy-pic
- xytree: Tree macros using XY-Pic
- lingtrees: Linguistics trees preprocessor and macros
- synttree: Typeset syntactic trees
- prftree: Macros for building proof trees
- familytree: Draw family trees
- dyntree: Construct Dynkin tree diagrams
- adtrees: Macros for drawing adpositional trees
- amslatex: Mathematical enhancements for LaTeX
- keyval: Process 'key=value' schemes
- amsmath: AMS mathematical facilities for LaTeX
- amsopn: Typeset mathematical operator names
- amstext: Typeset text fragments in mathematics
- amsmidx: Support for multiple indexes in AMS Classes
- dcolumn: Align on the decimal point of numbers in tabular columns
- ftnright: Footnotes in two column documents in one column only
- color: Colour control for LaTeX documents
- latex-amsmath: AMS mathematical facilities for LaTeX
- trig: Simple trigonometric functions
- multicol: Intermix single and multiple columns
- latex-cyrillic: Support for Cyrillic fonts in LaTeX