Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Better Notes - Simple notes app that ties notes together with #hashtags
code-ray - Live debugging tool for software developers
Whimsical - The visual workspace for teams.
Reactime - Time travel debugging tool, visualizing and tracing state
Great F*cking Startup Advice - Strongly worded suggestions for startup founders