ERPNext is a free and open-source integrated Enterprise Resource Planning (ERP) software developed by Frappé Technologies Pvt. Ltd. and is built on MariaDB database system using a Python based server-side framework.
Full-featured work and project management solution dedicated to project-based small businesses and teams who want to manage projects from start to finish.
InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments. The application comes with various options, templates and settings to customize your invoicing experience.
BILLmanager is a highly customizable billing software for hosting and IaaS business with the full scope of functionality for billing, service provisioning, client management & support.This app doesn't have any features at the moment.
Zoho Books is a simple, easy-to-use accounting app that tracks the money coming in and going out of your business. With Zoho Books, you can always stay up-to-date on your business finance and make decisions instantly.
Send, track and collect payments quickly. Great for teams, freelancers and service providers. FreshBooks is an easy cloud accounting app for small businesses and freelancers, specifically designed to save you time billing clients.