JSON Server vs Sandbox: What are the differences?
JSON Server: Get a full fake REST API with zero coding in less than 30 seconds. For front-end developers who need a quick back-end for prototyping and mocking. Created with <3 for front-end developers who need a quick back-end for prototyping and mocking; Sandbox: 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.
JSON Server and Sandbox belong to "API Tools" category of the tech stack.
JSON Server and Sandbox are both open source tools. JSON Server with 41.2K GitHub stars and 3.68K forks on GitHub appears to be more popular than Sandbox with 161 GitHub stars and 28 GitHub forks.