Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Top ICO List - Best crypto initial coin offering list & ICO calendar 2018
Endpoints - View and respond to requests on an HTTP endpoint
ICO Watch List - A place for finding new projects and products that are raising funds via initial coin offering.
httpbin(1) - HTTP request and response service
CoinDesk - Leader in blockchain news.