diff --git a/README.md b/README.md
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+++ b/README.md
@@ -611,6 +611,7 @@ This section is for full setup dropins - they aren't frameworks, but they're not
 - [declare-zsh](https://github.com/z-shell/declare-zsh) - A parser for zinit commands in `.zshrc`. It allows to perform the following actions on `.zshrc` from the command-line - enable and disable plugins add or remove snippets.
 - [deepx](https://github.com/GetAmbush/deepx-zsh-plugin) - Collection of useful and fun commands to improve workflow and quality of life.
 - [deer](https://github.com/Vifon/deer) - A file navigator for ZSH heavily inspired by [ranger](https://ranger.github.io/).
+- [def](https://github.com/thevinter/def) - Allows you to specify and run a default command in any directory of your choice.
 - [defer](https://github.com/romkatv/zsh-defer) - Defers execution of a `zsh` command until `zsh` has nothing else to do and is waiting for user input. Its intended purpose is staged `zsh` startup. It works similarly to Turbo mode in [zinit](https://github.com/zdharma-continuum/zinit).
 - [depot-tools](https://github.com/kuoe0/zsh-depot-tools) - Simple oh-my-zsh plugin for installing the chromium depot_tools. Installing this plugin will put all of the chromium depot_tools in your path automatically.
 - [dev](https://github.com/sbfaulkner/dev-plugin-zsh) - Provides a lightweight version of Shopify's internal dev tool