Install Homebrew, and let it manage everything.
brew cask install iterm2
brew cask install google-chrome
Learn about ZSH.
brew install zsh
Add /usr/local/bin/zsh to the list of available shells in /etc/shells.
Change your shell using chsh -s /usr/local/bin/zsh.
Close and reopen your terminal.
Install Oh My Zsh.
Set your theme to ys.
brew install vim
brew install git
Install Vundle.
Lately, I've been running VSCode.
brew cask install visual-studio-code
brew install node@10
brew install git
brew install openshift-cli
brew cask install xquartz
brew cask install inkscape