Suggestions for invoice2

The following packages have something in common with the package invoice2. The packages are ordered in decreasing similarity.

Package invoice: Generate invoices
Package simpleinvoice: Easy typesetting of invoices
Package zugferd: Generate ZUGFeRD and Faktur-X electronic invoices with LaTeX
Package invoice-class: Produces a standard US invoice from a CSV file
Package factura: Typeset and calculate invoices according to Venezuelan law
Package isodoc: A LaTeX class for typesetting letters and invoices
Package qrbill: Create QR bills using LaTeX
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 facture: Generate an invoice
Package facture-belge-simple-sans-tva: Simple Belgian invoice without VAT
Package was: A collection of small packages by Walter Schmidt
Package foilhtml: Interface between foiltex and LaTeX2HTML
Package mapcodes: Support for multiple character sets and encodings
Package ltxmisc: Miscellaneous LaTeX packages, etc.
Package calendar-barr: A calendar document
Package coursepaper: Prepare university course papers
Package concprog: Concert programmes
Package courseoutline: Prepare university course outlines
Package jknappen: Miscellaneous packages by Joerg Knappen
Package kalender: Create a calendar, in German
Package labels: Print sheets of sticky labels
Package mhs: Historical mathematics
Package outliner: Change section levels easily
Package utorontothesis: A thesis class definition for University of Toronto
Package utthesis: Thesis package for the University of Texas at Austin
Package fundus: Providing LaTeX access to various font families
Package piff: Macro tools by Mike Piff
Package atendofenv: Add a custom symbol at the end of an environment
Package bxtexlogo: Additional TeX-family logos