
Description: QuickBooks free invoice creator is a free online tool that allows small business owners and freelancers to easily create professional-looking invoices. It has an intuitive interface for adding invoice details like client name, billing items, payment terms etc. Provides various templates to customize invoices.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Crater is a free and open source browser-based invoice app for small teams and freelancers. It allows users to create professional invoices, estimates, expenses and track them online with no limits.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API