Simple. Fast. Offline.
Invoiso lets you create GST-ready PDF invoices, manage clients and products, track payments, and run your billing entirely offline on Windows, Linux, and macOS. It is free forever, open source, and requires no subscription, cloud account, or registration.
Everything you need to manage invoices professionally — 100% free, open source, and offline
Create GST-ready invoices, manage clients and products, track payments, export PDFs, and keep backups without depending on cloud software.
Your data never leaves your device. No cloud, no internet required.
Create, edit, and manage invoices with status tracking and history.
Store clients and products with built-in search, sort, and filter.
Generate polished PDF invoices and choose Classic, Modern, or Minimal templates.
Record partial or full payments, track outstanding balances, and download PDF receipts.
Use admin and standard user roles to protect deletes, settings, backup, and restore actions.
Override unit prices per invoice or add one-off custom items without creating products first.
Create portable backups and restore your billing data whenever you move or reinstall.
Get started in minutes — no account, no setup, no internet required
Install Invoiso on Windows, Linux or macOS. No account or registration required.
Enter your business name, logo, GSTIN, and UPI ID in settings. Takes under a minute.
Select a customer, add products, configure tax, and choose a PDF template.
Export a professional PDF with one click and send it to your client instantly.
Invoiso is free billing software and free open source billing software for cross-platform desktop invoicing app built for freelancers and small businesses. Manage customers, products, payments, and invoices seamlessly — entirely offline. Your data never leaves your device, ensuring complete privacy and control.
Built for Indian small businesses, freelancers, and shops that need a simple desktop billing app without monthly fees, forced signup, or cloud storage
Create GST-compliant invoices with GSTIN and customer GSTIN fields, HSN codes, CGST/SGST/IGST tax rates, UPI QR code payments, and one-click PDF export.
Install Invoiso on Windows, Linux, or macOS. Keeps billing fast even when internet is unreliable — ideal for shops across India without stable connectivity.
Used by kirana shop owners, retailers, wholesalers, service businesses, consultants, and freelancers across India for fast, professional invoice creation.
If you are searching for free billing software for India, free GST billing software, offline billing software, or a free Vyapar alternative — Invoiso gives you a fully private, local-first alternative with no subscription and no data leaving your device. Your invoices, customers, products, payments, and backups stay on your own computer.
Used by kirana shops, retailers, traders, consultants, and service businesses across India
Send GST-ready professional invoices to clients without paying a monthly fee. All client data stays private on your own machine — no cloud, no subscription.
Free billing software for kirana, hardware, textile, and general stores. Works offline on your shop PC — no internet required, no monthly charges.
Manage large customer and product lists with CSV import/export. Create quotations and invoices, track outstanding payments, and export data for your accountant.
Bill clients for services with custom line items, hourly rates, or fixed charges. Add a UPI QR code so customers can pay via GPay, PhonePe, or Paytm instantly.
Auditable source code, local data storage, and no vendor lock-in for your business billing workflow
Inspect the code, report issues, request features, or contribute improvements directly in the public repository.
Use Invoiso without a paid plan, online workspace, forced login, or hosted account controlled by a third party.
Invoices, customers, products, payments, and backups stay on your computer, so billing keeps working offline.
Unlike cloud-based tools, Invoiso is a desktop invoice app that installs directly on your Windows, Linux or macOS machine. All your customer data, invoices, and product catalogue live in a local database on your device — no servers, no syncing, no connectivity required.
Perfect for shops with unreliable internet, field workers, or anyone who values complete data privacy. Your business data is yours — not stored in someone else's cloud.
Explore the intuitive interface designed for seamless invoice management
Full walkthrough of Invoiso — from setup to your first invoice
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How Invoiso compares to Vyapar, Zoho Invoice, Wave, and other billing tools popular with Indian small businesses
| Feature | Invoiso ★ Best | Vyapar | Zoho Invoice | Wave |
|---|---|---|---|---|
| Price | Free forever | Freemium (paid from ₹1,499/yr) | Free (India only, limits apply) | Free (paid add-ons) |
| Works offline | ✓ | ✓ | ✗ | ✗ |
| No account or signup required | ✓ | ✗ | ✗ | ✗ |
| Data stays on your device | ✓ | Partial (cloud sync) | ✗ | ✗ |
| Linux & macOS desktop support | ✓ | ✗ | ✗ | ✗ |
| GST-ready invoicing (India) | ✓ | ✓ | ✓ | ✗ |
| UPI QR code on invoice | ✓ | ✓ | ✗ | ✗ |
| Open source | ✓ | ✗ | ✗ | ✗ |
| Payment tracking & receipts | ✓ | ✓ | ✓ | ✓ |
| PDF invoice templates | 3 (Classic, Modern, Minimal) | 1 on free plan | Multiple | Limited |
Comparison based on publicly available information as of May 2026. Features may vary by plan or region.
Focused pages and practical guides for common invoice software searches.
GST-ready invoice PDFs with GSTIN, HSN, tax fields, and UPI QR support.
Desktop invoicing for businesses that want local data and no cloud dependency.
Compare Invoiso with paid billing tools when you need a free open-source option.
Transparent billing software with source code available on GitHub.
Linux desktop billing with AppImage and DEB options.
How-to guides for GST invoices, UPI QR payments, offline billing, and Linux invoicing.
Quick answers to the most common questions
Yes — Invoiso is 100% free and open source. No subscriptions, no hidden fees, no premium tiers. Download it and use it indefinitely.
Yes. Invoiso is free open source billing software for Windows, Linux, and macOS. You can use it for invoices, quotations, payments, customers, products, GST fields, PDF exports, and offline backups without paying a subscription.
Absolutely. All your data — customers, products, and invoices — is stored locally on your device. No internet connection is ever required.
Yes to both. Invoiso supports GSTIN fields, HSN codes, and per-item tax rates for GST-ready invoices. You can also add a UPI payment QR code to every PDF — customers can scan and pay via GPay, PhonePe, or Paytm instantly.
Your data never leaves your device — no cloud, no remote servers. Use Settings → Backup to export a database file you can restore at any time.
Yes. Invoiso has built-in payment tracking. Record partial or full payments against any invoice, and the app automatically calculates the outstanding balance and updates the payment status (Unpaid, Partial, or Paid). You can also download a professional PDF receipt for each payment.
Yes. Invoiso is a free, open-source alternative to Vyapar for Windows, Linux, and macOS. Unlike Vyapar, Invoiso requires no account or phone number signup, is completely free with no paid tier or subscription, and is open source under the MIT licence. Both apps support offline billing and GST-ready invoices with UPI QR codes. Invoiso also supports Linux and macOS, which Vyapar does not.
Yes. Invoiso works as free GST billing software for Indian businesses. It supports GSTIN fields for your company and customers, HSN codes per product, CGST/SGST/IGST tax rates, UPI QR code payments on PDF invoices, and generates GST-compliant invoices entirely offline. No subscription required.
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