Suggestions for symbolindex
The following packages have something in common with the package symbolindex. The packages are ordered in decreasing similarity.
- yagusylo: A symbol loader
 - casiofont: Support for the Casio ClassWiz font
 - panda: A package to estimate the blackness of fonts
 - temporal-logic: Symbols for Temporal Logics
 - musicography: Accessing symbols for music writing with pdfLaTeX
 - wargame: A LaTeX package to prepare hex’n’counter wargames
 - plstmary: St. Mary’s Road font support for plain TeX
 - hmtrump: Describe card games
 - esint: Extended set of integrals for Computer Modern
 - cursor: Draw a cursor in an equation
 - dotarrow: Extendable dotted arrows
 - trfsigns: Typeset transform signs
 - stackrel: Enhancement to the \stackrel command
 - textgreek: Upright greek letters in text
 - twemojis: Use Twitter’s open source emojis through LaTeX commands
 - gensymb: Generic symbols for both text and math mode
 - turnstile: Typeset the (logic) turnstile notation
 - hwemoji: Unicode emoji support for pdfLaTeX with sequences
 - flexisym: Symbol manipulation for breqn
 - abraces: Asymmetric over-/underbraces in maths
 - bxcoloremoji: Use color emojis more conveniently
 - tablericons: Use tablerIcons through LaTeX commands
 - openmoji: Use openmoji through LaTeX commands
 - multiobjective: Symbols for multiobjective optimisation etc.
 - emf: Support for the EMF symbol
 - alchemist: Typeset alchemist and astrological symbols
 - thematicpuzzle: Horizontal banners in a puzzle style
 - colonequals: Colon equals symbols
 - esvect: Vector arrows
 - halloweenmath: Scary and creepy math symbols with AMS-LaTeX integration
 - cookingsymbols: Symbols for recipes