Fiddler - Fiddler is a debugging program for websites.
Notebook.ai - A smart notebook that grows and collaborates with you
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Kanka.io - Kanka.
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.
Snipo.io - AI Flashcards & Take video notes into Notion in click