As a developer using Oh-My-ZSH, what are a couple of plugins or shortcuts that you can’t live without?

This is what I currently use, but I am wondering if there are others that are just must-haves?

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plugins=(
alias-finder
asdf
bundler
dotenv
git
last-working-dir
osx
rake
rails
ruby
web-search
zsh-autosuggestions
)