Homebrew / brew

Command-line package manager that installs and manages open-source software on macOS and Linux.

rapid7 / metasploit-framework

Open-source framework for developing, testing, and running exploit code against remote systems, with the msfconsole interactive interface.

basecamp / kamal

Deploys Docker-containerized web apps to bare metal or cloud VMs over SSH with zero-downtime switchover.

urbanadventurer / WhatWeb

Command-line web scanner that fingerprints websites to identify their CMS, servers, JavaScript libraries, and other technologies.

ruby / rubygems

Package manager framework for Ruby that installs, creates, manages, and loads gems, and client for RubyGems.org.