
Description: gBilling is an open-source billing and invoicing software for small businesses. It allows creating invoices, quotes, tracking payments and expenses. It has features for recurring invoices, tax management, reporting, etc. gBilling integrates with payment gateways and has mobile apps for access on-the-go.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TrueCafe is an open-source virtual cafe software designed to stimulate social interactions and community building. It allows users to create avatars, chat in public spaces, attend events, play games, and more in a friendly, customizable environment.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API