Invoiceo
Free offline billing and GST invoice software for freelancers and small businesses — works on Windows, macOS and Linux, with no subscription and no sign-up.
invoiceo.in · Download Invoiceo · FAQ · தமிழில் (Tamil)
Download
Get the free installers for Windows 10 and 11, macOS 12 or later, and Linux (.deb for Ubuntu, Debian and Linux Mint, or an AppImage) from the Invoiceo download page, with step-by-step install help.
Features
- Invoices, quotations and receipts with PDF templates (A4, A5, A6 and thermal receipts)
- Customers, products and services with stock tracking and barcode scanning
- Tax (GST / VAT) handling, discounts, additional charges and round-off
- Payments and outstanding balances, reports and exports
- Thermal receipt printing with automatic printing to the saved printer
- Multiple companies, multiple users, backup and restore
- Languages: English, Tamil (Beta), Hindi, Nepali, Tibetan, French, Spanish and Chinese
More on the Invoiceo billing software website.
Privacy
Your customers, products and invoices stay on your own computer. The app sends a few anonymous usage counts (a random ID, the app version and the operating system), which you can turn off under Settings → Software Info. Details are in the privacy policy.
Build from source
flutter pub get
flutter run -d windows # or macos / linux
Release installers are built by the GitHub Actions workflow in .github/workflows/build.yml
when a v* tag is pushed.
Support
Use the contact page or write to madhanprasat2002r@gmail.com.
License
Released under the MIT License. The license text, including the copyright notices it carries, must stay with every copy of the software.

