Prism 5.15.11
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
Stoplight software
DlSoftware247 lists 3 Windows programs by Stoplight, mostly Networking, Text Editors, Command Line Tools software. The most popular are Prism, Stoplight Studio, Spectral.
Stoplight Studio 2.10.0
The modern editor for API Design and Technical Writing.
Spectral 6.17.0
A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI v3.1, v3.0, and v2.0 as well as AsyncAPI v2.x.