Compare software

BillanceInvoiceShelf
Freemium

Free to start; details of paid plans are not given in the research.

 Free

Free and open source under the AGPL-3.0 licence, with no per-seat fees.

Linux Web, Self-hosted
  • Creates XRechnung and ZUGFeRD to EN 16931
  • Converts existing PDF invoices into e-invoices
  • Invoices, estimates, payments and expenses in one place
  • Recurring invoices and a customer portal
  • Interface and website are in German
  • Proprietary software
  • You maintain the server and backups yourself
  • The 3.x branch is an alpha preview not meant for production data
Downloadable app Self-hosted
Closed source Open source
License: Proprietary License: AGPL-3.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.