CSBill is an open-source billing and invoicing application that allows you to manage clients, contacts, quotes, invoices and receive online payments
CSBill aims to simplify invoicing with a simple and intuitive interface. Our easy-to-understand user interface helps you get started quicker and easier.
CSBill offers a free alternative to most other invoicing applications, by allowing you to host the application yourself. No more sign-ups or subscriptions! Just download, install and start using CSBill.
Create unlimited clients, and add multiple contacts per client.
Create and send quotes or estimates to a client.
A quote can be sent to one or multiple contacts on a client.
When a client accepts a quote, you can convert it to an invoice with just one click
Create invoices and email them to a client.
Invoices can have a percentage-based discount applied.
Configure many payment gateways and allow clients to pay invoices online
Payments is attached to the client and invoice, so you can know exactly who paid what