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