This gem provides invoice management with imported time slices from the Timetrap gem.

A Ruby gem for creating DATEV-compliant ZIP packages for incoming invoices. Generates document.xml and ledger XML files per DATEV XML interface v6.0.

Accept Mobile money, cards, crypto, invoices, QR codes, and more with Sunny Payments.

Downloads utility invoices from common spanish firms such as Endesa or Vodafone.

Octobat is the easiest way to generate invoices online. See https://www.octobat.com for details.

Convert numbers and currencies to text in Greek and English. Usefull where a full text number representation is needed as in cheques and invoices.

Gem to interact with NFEdoBrasil SOAP API. Enables creation, consultation and import of invoices.

A project manager that keeps track of a working directory, archive and template files. Used in commandline tools like ascii-invoicer.