Suggestions for TikZ-opm

The following packages have something in common with the package TikZ-opm. The packages are ordered in decreasing similarity.

Package grafcet: Draw Grafcet/SFC with TikZ
Package adigraph: Augmenting directed graphs
Package corasdiagram: A LaTeX package for authoring CORAS risk management diagrams
Package messagepassing: Draw diagrams to represent communication protocols
Package reotex: Draw Reo Channels and Circuits
Package smartdiagram: Generate diagrams from lists
Package duotenzor: Drawing package for circuit and duotensor diagrams
Package syntaxdi: Create railroad syntax diagrams
Package tikz-trackschematic: A TikZ library for creating track diagrams in railways
Package prisma-flow-diagram: An abstraction for creating PRISMA 2009 flow diagrams with TikZ
Package chempid: Draw Piping and Instrumentation diagrams using TikZ via PGF
Package fast-diagram: Easy generation of FAST diagrams
Package simplenodes: Simple nodes in four colors written in TikZ for LaTeX
Package tikz-nef: Create diagrams for neural networks constructed with the methods of the Neural Engineering Framework (NEF)
Package tikz-sfc: Symbols collection for typesetting Sequential Function Chart (SFC) diagrams (PLC programs)
Package argumentation: Create abstract argumentation frameworks via TikZ
Package blox: Draw block diagrams, using TikZ
Package chemplants: Symbology to draw chemical plants with TikZ
Package circuitikz: Draw electrical networks with TikZ
Package fretplot: Create scale and chord diagrams for guitar-like instruments
Package pmdraw: Draw elements of the diagram monoids
Package string-diagrams: Create string diagrams with LaTeX and TikZ
Package tikzdotncross: Marking coordinates and crossing paths
Package tikzquads: A few shapes designed to be used with CircuiTikZ
Package schemabloc: Draw block diagrams, using TikZ
Package flowchart: Shapes for drawing flowcharts, using TikZ
Package ladder: Draw simple ladder diagrams using TikZ
Package mohelper: Draw fully customizeable MO diagrams
Package tkz-orm: Create Object-Role Model (ORM) diagrams
Package atomicreactions: Simple representation of atomic shell reactions and Bohr model
Package timechart: A package for drawing chronological charts