Adopters
These tools and frameworks provide native support for CTRF
xUnit.net
xUnit.net is a free, open source, community-focused unit testing tool for the .NET Framework. It natively produces CTRF JSON reports.

JSON Schema CLI
The JSON Schema CLI is a command-line tool for working with JSON Schema. It natively produces CTRF reports.
Katalon Studio
Katalon is the all-in-one test automation platform for easy web, mobile, API, and desktop app testing.

Specmatic
Specmatic is a contract-driven development tool that turns your API specification into executable contracts. It natively produces CTRF reports.