Compare software

InvoiceShelfInvoice Ninja
Free

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

 Freemium

Free plan available, with paid plans that carry a 30-day money-back guarantee.

Web, Self-hosted Linux, Web
  • Invoices, estimates, payments and expenses in one place
  • Recurring invoices and a customer portal
  • Supports many payment gateways for one-click client payments
  • Recurring invoices and auto-billing
  • You maintain the server and backups yourself
  • The 3.x branch is an alpha preview not meant for production data
  • Hosted service requires an account
  • Some features are reserved for paid plans
Self-hosted Downloadable app, Hosted service
Open source Open source
License: AGPL-3.0 License: AAL
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 1, 2026

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