Homebrew

$ cd /opt/homebrew
$ find Cellar
Cellar/wget/1.16.1
Cellar/wget/1.16.1/bin/wget
Cellar/wget/1.16.1/share/man/man1/wget.1

$ ls -l bin
bin/wget -> ../Cellar/wget/1.16.1/bin/wget

$ brew create https://foo.com/foo-1.0.tgz
Created /opt/homebrew/Library/Taps/homebrew/homebrew-core/Formula/foo.rb

$ brew edit wget # opens in $EDITOR!

class Wget < Formula
  desc "Internet file retriever"
  homepage "https://www.gnu.org/software/wget/"
  url "https://ftp.gnu.org/gnu/wget/wget-1.24.5.tar.gz"
  sha256 "fa2dc35bab5184ecbc46a9ef83def2aaaa3f4c9f3c97d4bd19dcb07d4da637de"
  license "GPL-3.0-or-later"

  def install
    system "./configure", "--prefix=#{prefix}"
    system "make", "install"
  end
end

$ brew install --cask firefox

$ brew create --cask https://foo.com/foo-1.0.dmg
Editing /opt/homebrew/Library/Taps/homebrew/homebrew-cask/Casks/foo.rb