
Description: Invoice Ninja is an open-source invoicing, expenses, and time-tracking app designed for freelancers and small businesses. It allows you to create professional invoices, track payments and expenses, manage projects, and accept online payments.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Webilly is an open-source online billing and invoicing software. It allows small businesses and freelancers to create professional invoices, track payments, expenses, clients and projects. It has an intuitive interface and features like recurring invoices, multi-currency support.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API