Microsoft project for cloud-based client-server communication
The most advanced tool for HTTP API
WireMock.Net is a product for stubbing and mocking web HTTP responses
Eclipse Jetty - Web Container & Clients - supports HTTP/2, HTTP
Upload files via DDP or HTTP to Meteor server FS
An OOB interaction gathering server and client library
C++ parallel computing and asynchronous networking engine
An Open Source "product catalogue" that is customizable and versatile.
Generate custom HTTP responses, the simpler way to test your services
Web Control Panel for Linux Servers
Fast Parallel Async HTTP/SSH/TCP/UDP/Ping Client Java Library