Apigee vs Sandbox: What are the differences?
Developers describe Apigee as "Intelligent and complete API platform". API management, design, analytics, and security are at the heart of modern digital architecture. The Apigee intelligent API platform is a complete solution for moving business to the digital world. On the other hand, Sandbox is detailed as "Quick and easy mock RESTful API and SOAP webservices". Quickly mock RESTful API or SOAP web-services with simple or dynamic responses, and fault injection to simulate real application behaviour.
Apigee and Sandbox can be categorized as "API" tools.
Sandbox is an open source tool with 161 GitHub stars and 28 GitHub forks. Here's a link to Sandbox's open source repository on GitHub.