Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Blockstack Token - Blockstack is a new internet for decentralized apps
httpbin(1) - HTTP request and response service
BigchainDB - The scalable blockchain database.
Endpoints - View and respond to requests on an HTTP endpoint
CryptoTeams - Keeping track of your favorite crypto teams and projects