Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
Boomi - The #1 Integration Cloud - Build Integrations anytime, anywhere with no coding required using Dell Boomi's industry leading iPaaS platform.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
Postman - The Collaboration Platform for API Development
HTTP Headers - HTTP Headers allows you to quickly see the HTTP header information for the current URL.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.