diff --git a/code/README.md b/code/README.md
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+# Code
+
+Code is a GUI text editor.
+
+## Dependencies
+
+- [code][code] - The open source build of a popular non-free text editor
+
+## Installation
+
+```sh
+make package=code
+```
+
+## Usage
+
+Install the extensions I use with:
+
+```sh
+make code-extensions
+```
+
+Then, start Code as you normally would.
+
+[code]: https://www.archlinux.org/packages/community/x86_64/code/
diff --git a/gpg/README.md b/gpg/README.md
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+# GPG
+
+GPG is used to sign and encrypt things.
+
+## Dependencies
+
+- [`gnupg`][gnupg] - The GNU Privacy Guard
+
+## Installation
+
+```sh
+make package=gpg
+```
+
+## Usage
+
+Use gpg as you normally would. Make sure that you export `GPG_TTY` in your shell's init script. This is how you would do it in [fish](/fish):
+
+```fish
+export GPG_TTY=(tty)
+```
+
+[gnupg]: https://www.archlinux.org/packages/core/x86_64/gnupg/
diff --git a/systemd/README.md b/systemd/README.md
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+# systemd
+
+*systemd* is described as "a suite of basic building blocks for a Linux system". One of the functions it can be used for is starting daemons at login.
+
+## Dependencies
+
+- [openssh][openssh] - `ssh-agent.service` support
+- [rxvt-unicode-patched][rxvt-unicode-patched] - `urxvtd.service` support
+- [mpd][mpd] - `mpd.service` support
+
+## Installation
+
+```sh
+make package=systemd
+```
+
+## Usage
+
+To start all the user services I use, run:
+
+```sh
+make systemd-enable-now
+```
+
+If you only want to start certain services instead, start them like you normally would with systemd.
+
+[openssh]: https://www.archlinux.org/packages/core/x86_64/openssh/
+[rxvt-unicode-patched]: https://aur.archlinux.org/packages/rxvt-unicode-patched/
+[mpd]: https://www.archlinux.org/packages/extra/x86_64/mpd/