Suggestions for ElTeX

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

Package makecirc: A METAPOST library for drawing electrical circuit diagrams
Package circ: Macros for typesetting circuit diagrams
Package duotenzor: Drawing package for circuit and duotensor diagrams
Package pst-circ: PSTricks package for drawing electric circuits
Package circuitikz: Draw electrical networks with TikZ
Package ladder: Draw simple ladder diagrams using TikZ
Package tikzdotncross: Marking coordinates and crossing paths
Package tikzquads: A few shapes designed to be used with CircuiTikZ
Package tikz-sfc: Symbols collection for typesetting Sequential Function Chart (SFC) diagrams (PLC programs)
Package qworld: Drawing string diagrams for monoidal categories and quantum theory in TeX
Package tikz-relay: TikZ library for typesetting electrical diagrams
Package tikz-ladder: Draw ladder diagrams using TikZ
Package circuit-macros: M4 macros for electric circuit diagrams
Package register-transfer-level: Easily generate high-quality, publication-ready RTL diagrams
Package quantikz: Draw quantum circuit diagrams
Package yquant: Typesetting quantum circuits in a human-readable language
Package bondgraph: Create bond graph figures in LaTeX documents
Package knittingpattern: Create knitting patterns
Package ltmermaid: Embed Mermaid diagrams in LaTeX
Package ditaa: Use ditaa diagrams within LaTeX documents
Package logpap: Generate logarithmic graph paper with LaTeX
Package digiconfigs: Writing configurations
Package lcircuit: Circuit symbols for use in LaTeX picture mode
Package pb-diagram: A commutative diagram package using LAMS-TeX or Xy-pic fonts
Package bondgraphs: Draws bond graphs in LaTeX, using PGF/TikZ
Package chemsym: Macros for typing chemical symbols
Package familytree: Draw family trees
Package moderntimeline: Timelines for use with moderncv
Package nassflow: Drawing Nassi-Shneiderman diagrams and flowcharts
Package rtsched: Draw Real-Time scheduling (GANTT) charts
Package syntax2: Creation of syntax diagrams