
Description: Billbooks is an open-source accounting and invoicing software designed for small businesses. It offers features like double-entry accounting, recurring invoices, financial reports, and more. Billbooks is free and available for Linux, Windows, and Mac.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: FreeAgent is an online accounting software targeted at freelancers, contractors, and small businesses. It offers tools for invoicing, expense tracking, financial reporting, and more. FreeAgent streamlines paperwork and makes basic bookkeeping and taxes easier.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API