Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
Grindr - Grindr is the largest social networking app around for gay, bi, trans, and queer people.
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.
SCRUFF - Waoo, gay dating applications.
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface
Blued - Blued is a standout amongst the most prominent applications for gay singles in China.