Suggestions for Chempid

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

Package blox: Draw block diagrams, using TikZ
Package schemabloc: Draw block diagrams, using TikZ
Package chemplants: Symbology to draw chemical plants with TikZ
Package mohelper: Draw fully customizeable MO diagrams
Package orbitals: Atomic subshell / orbital-box diagrams for LaTeX, with automatic electron filling following Hund’s rule and the Pauli principle
Package kblocks: Easily typeset Control Block Diagrams and Signal Flow Graphs
Package tikzorbital: Atomic and molecular orbitals using TikZ
Package quickreaction: A simple and fast way to typeset chemical reactions
Package blockdraw_mp: Block diagrams and bond graphs, with METAPOST
Package phtitration: Draw highly accurate pH titration curves using TikZ and pgfplots
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 tikz-chemlab: A TikZ-based reimplementation for drawing chemical laboratory glassware
Package duotenzor: Drawing package for circuit and duotensor diagrams
Package syntaxdi: Create railroad syntax diagrams
Package pfdicons: Draw process flow diagrams in chemical engineering
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 fast-diagram: Easy generation of FAST diagrams
Package simplenodes: Simple nodes in four colors written in TikZ for LaTeX
Package tikz-opm: Typeset OPM diagrams
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 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