A curated list of awesome Internet port and host scanners, plus related components and much more, with a focus on free and open source projects.

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP,…

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

🤖 The Modern Port Scanner 🤖

nghttp2 - HTTP/2 C Library and tools

A Go library for serving resources fairly