APItools vs Reqres: What are the differences?
Developers describe APItools as "API Zen For App Developers and DevOps". APItools is a service for developers to test and debug API traffic, troubleshoot, etc. and for devops to monitor API traffic. Available in the cloud and on-premise. Open source. In private beta. On the other hand, Reqres is detailed as "Test your front-end against a real API". A hosted REST-API ready to respond to your AJAX requests.
APItools and Reqres can be primarily classified as "API" tools.
Reqres is an open source tool with 944 GitHub stars and 117 GitHub forks. Here's a link to Reqres's open source repository on GitHub.