I use Vim/Neovim, git, tmux, and zsh (profile, shrc) on a daily base and thus these configs are the most customized. Have fun reading them and steal what you need.

Disclaimer: No Reddit users were hurt during the creation of these configuration files.

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I prefer light colors at day and dark colors at night, so I use this little function to switch between two custom iTerm2 profiles. Things like Vim, $LS_COLORS, git log output etc. automatically adapt their colors depending on the current setting of $ITERM_PROFILE.