Trace - Visualized Node.js monitoring
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
SponsorBlock - SponsorBlock is an open-source crowdsourced browser extension to skip sponsor segments in YouTube videos.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
Hush Nag Blocker - Hush Nag Blocker is an app for iOS that blocks ads and tracks cookies on your Safari browser.
HTTP Headers - HTTP Headers allows you to quickly see the HTTP header information for the current URL.