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KsefInvoiceZoho Invoice
Free

Freeware with no subscription or per-document KSeF fees.

 Free

Free to use; payment gateway fees may apply.

Windows, Linux Windows, macOS, Android, iOS, Web
  • Sends and retrieves documents through KSeF
  • Handles invoices, corrections, receipts and multiple currencies
  • Free invoicing with online payments and reminders
  • Apps for mobile and desktop as well as the web
  • Interface is currently available only in Polish
  • Focused on Polish tax and e-invoicing systems
  • Invoicing only; full bookkeeping needs a separate accounting product
  • Requires a Zoho account
Downloadable app Downloadable app, Web application, Hosted service
Closed source Closed source
License: Freeware 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 8, 2026

Checked October 2, 2026

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