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InvoicePlaneZoho Invoice
Free

Free and open source, with no paid tier.

 Free

Free to use; payment gateway fees may apply.

Web, Self-hosted Windows, macOS, Android, iOS, Web
  • Covers quotes, invoices, payments and client records in one place
  • EU-compliant eInvoice support
  • Free invoicing with online payments and reminders
  • Apps for mobile and desktop as well as the web
  • Requires running and securing your own server
  • Project and task management is basic
  • Invoicing only; full bookkeeping needs a separate accounting product
  • Requires a Zoho account
Self-hosted Downloadable app, Web application, Hosted service
Open source Closed source
License: MIT License not stated
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 2, 2026

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