Free offline invoice software for Windows and Linux. Create professional PDF invoices, manage clients and products - no internet, no subscription, no account needed.
Invoiso is a free, open-source desktop invoicing app for small businesses, shops, and freelancers on Windows and Linux. All data stays on your device — no internet required, ever.
Default Login:
Username: admin
Password: admin
You will be prompted to change the password on first login.
Features
- One-click PDF invoice generation (Classic, Modern, Minimal templates)
- Create invoices and quotations with colour-coded status tracking
- Invoice cloning and bulk actions (batch PDF export, bulk CSV, bulk trash)
- Customer and product/inventory management
- Multi-currency support (INR, USD, EUR, GBP, JPY, AED, SGD, AUD, CAD, ZAR...etc)
- GST-ready with GSTIN and HSN code fields
- UPI payment QR code embedded in every PDF
- Data backup & restore — one click
- No registration, no subscription, free forever (MIT licensed)
Project Samples
License
MIT LicenseFollow Invoiso
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