BlueSoleil - The best Bluetooth driver/Bluetooth software for Vista, Linux, WinCE.
Fiddler - Fiddler is a debugging program for websites.
Blueman - Blue Man Group will rock your world and blow your mind. Experience a spectacular journey bursting with music, laughter, and surprises.
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Blueberry - Blueberry is a Bluetooth configuration tool created by Linux Mint.
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.