ack is a grep-like source code search tool.
ack 'foo' --js
brew install ack
bat is a
cat clone with syntax highlighting and Git integration.
brew install bat
fd is a fast and user-friendly alternative to
brew install fd
sd is an intuitive find & replace command-line tool, it is an alternative to
sd 'foo' 'bar' foo.txt
brew install sd
dog is a command-line DNS client, like
brew install dog