Developed by devhub.io
Modern command line HTTP client – user-friendly curl alternative with intuitive UI, JSON support, syntax highlighting, wget-like downloads, extensions, etc. https://httpie.org
Python HTTP Requests for Humans™
Fast, cross-platform HTTP/2 web server with automatic HTTPS
Turn any program that uses STDIN/STDOUT into a WebSocket server. Like inetd, but for WebSockets.
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers
HTTPie + prompt_toolkit = an interactive command-line HTTP client featuring autocomplete and syntax highlighting
A fault tolerant, protocol-agnostic RPC system
HTTP load testing tool and library. It's over 9000!
aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.
Scalable user load testing tool written in Python