Suggestions for invoice-class

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

Package invoice: Generate invoices
Package factura: Typeset and calculate invoices according to Venezuelan law
Package isodoc: A LaTeX class for typesetting letters and invoices
Package csvmerge: Merge TeX code with csv data
Package loops: General looping macros for use with LaTeX
Package tokenizer: A tokenizer
Package etextools: ε-TeX tools for LaTeX users and package writers
Package facture: Generate an invoice
Package invoice2: Intelligent invoices with LaTeX3
Package simpleinvoice: Easy typesetting of invoices
Package zugferd: Generate ZUGFeRD and Faktur-X electronic invoices with LaTeX
Package csvtools: Reading data from CSV files
Package csvsimple: Simple CSV file processing
Package qrbill: Create QR bills using LaTeX
Package context-handlecsv: Data merging for automatic document creation
Package didec: Fixed-point arithmetic with two decimal places
Package modeles-factures-belges-assocs: Generate invoices for Belgian non-profit organizations
Package aeskwadraat: A–Eskwadraat package catalogue
Package lua-regression: Add polynomial regressions to graphs
Package pedigree-perl: Generate TeX pedigree files from CSV files
Package dbprocess: Process database output
Package latable: A near-WYSIWYG editor for LaTeX tables
Package csvtolatex: Link spread sheets to LaTeX
Package datatooltk: A Java GUI for preparing datatool input
Package facture-belge-simple-sans-tva: Simple Belgian invoice without VAT
Package ltxguidex: An extended ltxguide class
Package photobook: A document class for typesetting photo books
Package ximera: Write online interactive content in LaTeX
Package ncclatex: An extended general-purpose class
Package onepgnote: Space-efficient one-page notes for exams
Package script: Variant report and book styles