
Description: Rocket Invoice is an invoicing software for small businesses and freelancers. It allows users to easily create custom invoices, track payments, manage clients and subscriptions, and automate billing and reporting. Key features include customizable invoice templates, time tracking, payment processing, expense tracking and more.
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