Crater is a free and Open Source app that provides users with a suite of tools to manage their invoices. Users may create and send professional invoices to their clients.

Crater is a free and Open Source app that provides users with a suite of tools to manage their invoices. Users may create and send professional invoices to their clients.

Features:
Invoices: Create and manage professional invoices.
Estimates: You can create and send estimates to clients.
Track Payment: Users can keep a detailed history of their payments.
Expenses: You can keep track of your spending with our easy-to-use expense tracker.
Reports: You can get detailed reports regarding sales, taxes, expenses, etc.
Taxes: You can input various tax types such as VAT, GST, etc., as simple or compound tax.

You can try out a demo here.

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