
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: Internet Caffe is a software that allows you to set up a web browsing computer station that customers can pay to use for a set amount of time. It tracks user login time, bandwidth usage, and automates the billing process.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API