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homebrew (macOS Catalina)

brew install wget
brew install tmux
brew install coreutils
brew install gnu-tar
brew install imagemagick
brew install aspell
brew install gnuplot
brew install ripgrep
brew cask install iterm2
brew cask install osxfuse
brew install sshfs
brew cask install emacs
brew cask install xquartz
brew install llvm
brew cask install skim
brew cask install mactex-no-gui
brew install homebrew/cask-fonts/font-ricty-diminished

export PATH=/usr/local/bin:$PATH

Emacsでのaspellの設定

(setq ispell-program-name "/usr/local/bin/aspell")
(setq ispell-list-command "--list")

tmux内からopen(macOS)を使う

brew update
brew install reattach-to-user-namespace
brew upgrade reattach-to-user-namespace
echo "set -g default-command \"reattach-to-user-namespace -l ${SHELL}\"" >> ~/.tmux.conf

http://www.elmund.io/2015/07/10/open-command-in-osx-tmux/