WrapAPI - Build an API on top of any website
Fiddler - Fiddler is a debugging program for websites.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Albato - No matter the process. Automate it with no-code.
HTTP Toolkit - Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.