ICODrops - ICO calendar, ratings, bounty list and more
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
ICObench - ICOs ratings from blockchain investors
Endpoints - View and respond to requests on an HTTP endpoint
ICOholder - ICOholder contains a complete list of all ICO, IEO (Initial Exchange Offerings) and tokens crowdsale with detailed information, rating and analysis.
httpbin(1) - HTTP request and response service