Collapsed - Learn lessons from failed startups
httpbin(1) - HTTP request and response service
Failory - Failory is a community visited by startup founders every day to read articles about entrepreneurship, interviews with failed and successful founders, insightful postmortems and our monthly reports.
HTTPDump - A simple, beautiful Webhook debugging tool.
The Google Cemetery - A list of dead Google products and why they died
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.