diff --git a/pkgs/default.nix b/pkgs/default.nix
index ce16870..935206d 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -1 +1,15 @@
-final: prev: { }
+final: prev:
+with final; {
+  import-gtk-settings = writeShellScriptBin "import-gtk-settings" (import ./import-gtk-settings.nix final);
+  mailto-mutt = writeShellScriptBin "mailto-mutt" (import ./mailto-mutt.nix final);
+  mopidy-jellyfin = import ./mopidy-jellyfin.nix final;
+  mu = writeShellScriptBin "mu" (import ./mu.nix final);
+  psos = writeShellScriptBin "psos" (import ./psos.nix final);
+  s = writeShellScriptBin "s" (import ./s.nix final);
+  sway-launcher = writeScriptBin "sway-launcher" (import ./sway-launcher.nix final);
+  sway-service = writeShellScriptBin "sway-service" (import ./sway-service.nix final);
+  swaylock-bg = writeScriptBin "swaylock-bg" (import ./swaylock-bg.nix final);
+  toggle-kbd-layout = writeShellScriptBin "toggle-kbd-layout" (import ./toggle-kbd-layout.nix final);
+  uhk-agent = import ./uhk-agent.nix final;
+  wcwd = writeShellScriptBin "wcwd" (import ./wcwd.nix final);
+}
diff --git a/pkgs/import-gtk-settings.nix b/pkgs/import-gtk-settings.nix
new file mode 100644
index 0000000..f4b12b9
--- /dev/null
+++ b/pkgs/import-gtk-settings.nix
@@ -0,0 +1,11 @@
+self: with self; ''
+  # usage: import-gsettings <gsettings key>:<settings.ini key> <gsettings key>:<settings.ini key> ...
+
+  expression=""
+  for pair in "$@"; do
+      IFS=:; set -- $pair
+      expressions="$expressions -e 's/^$2=(.*)$/gsettings set org.gnome.desktop.interface $1 \1/e'"
+  done
+  IFS=
+  eval exec sed -E $expressions "$XDG_CONFIG_HOME"/gtk-3.0/settings.ini >/dev/null
+''
diff --git a/pkgs/mailto-mutt.nix b/pkgs/mailto-mutt.nix
new file mode 100644
index 0000000..a17d240
--- /dev/null
+++ b/pkgs/mailto-mutt.nix
@@ -0,0 +1,5 @@
+self: with self; ''
+  echo "$@" >> $XDG_CACHE_HOME/log/mailto.log
+
+  exec ${alacritty}/bin/alacritty -e neomutt -- "$@"
+''
diff --git a/pkgs/mopidy-jellyfin.nix b/pkgs/mopidy-jellyfin.nix
new file mode 100644
index 0000000..8c99ac2
--- /dev/null
+++ b/pkgs/mopidy-jellyfin.nix
@@ -0,0 +1,29 @@
+self: with self;
+let
+  websocket-client = python38.pkgs.buildPythonPackage rec {
+    pname = "websocket-client";
+    version = "1.0.0";
+    doCheck = false;
+    src = python38.pkgs.fetchPypi {
+      inherit pname version;
+      sha256 = "sha256-UFGzii9MJ/vXygd+uyPsaWWmJt7VqVY382vhs1tsT4E=";
+    };
+  };
+in
+python38.pkgs.buildPythonPackage rec {
+  pname = "Mopidy-Jellyfin";
+  version = "1.0.2";
+  doCheck = false;
+  propagatedBuildInputs = with python38.pkgs; [
+    unidecode
+    websocket-client
+    requests
+    setuptools
+    pykka
+    mopidy
+  ];
+  src = python38.pkgs.fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-5XimIIQSpvNyQbSOFtSTkA0jhA0V68BbyQEQNnov+0g=";
+  };
+}
diff --git a/pkgs/mu.nix b/pkgs/mu.nix
new file mode 100644
index 0000000..90afaa4
--- /dev/null
+++ b/pkgs/mu.nix
@@ -0,0 +1,3 @@
+self: with self; ''
+  exec ${alacritty}/bin/alacritty --class mu_vimpc --option dimensions.columns=120 --option dimensions.lines=80 -e vimpc -- "$@"
+''
diff --git a/pkgs/psos.nix b/pkgs/psos.nix
new file mode 100644
index 0000000..a60bad6
--- /dev/null
+++ b/pkgs/psos.nix
@@ -0,0 +1,29 @@
+self: with self; ''
+  case $1 in
+    rebuild)
+      shift;
+      exec sudo nixos-rebuild switch --flake "/etc/nixos#installed-host" $@
+      ;;
+    update)
+      shift;
+      cd /etc/nixos
+      git pull
+      exec nix flake update
+      ;;
+    option)
+      shift;
+      exec nixos-option -I nixpkgs=/etc/nixos/lib/compat $@
+      ;;
+    *)
+      if [[ "$@" != "" ]]; then
+        echo "Unknown command: psos $@"
+        echo ""
+      fi
+      echo "Usage: psos [COMMAND]"
+      echo "  rebuild                   Rebuild the configuration and switch to it"
+      echo "  update                    Pull git and update flake.lock"
+      echo "  option [path]             See the current value for an option in the flake config. Example: psos option nix.nixPath"
+      exit 1
+      ;;
+  esac
+''
diff --git a/pkgs/s.nix b/pkgs/s.nix
new file mode 100644
index 0000000..668d555
--- /dev/null
+++ b/pkgs/s.nix
@@ -0,0 +1,39 @@
+self: with self; ''
+  case $1 in
+    d)
+      shift;
+      URL="https://duckduckgo.com?q=$@"
+      ;;
+    no)
+      shift;
+      URL="https://search.nixos.org/options?query=$@"
+      ;;
+    np)
+      shift;
+      URL="https://search.nixos.org/packages?query=$@"
+      ;;
+    rs)
+      shift;
+      URL="https://doc.rust-lang.org/std/index.html?search=$@"
+      ;;
+    rsc)
+      shift;
+      URL="https://docs.rs/releases/search?query=$@"
+      ;;
+    mdn)
+      shift;
+      URL="https://developer.mozilla.org/en-US/search?q=$@"
+      ;;
+    w)
+      shift;
+      URL="https://en.wikipedia.org/w/index.php?search=$@"
+      ;;
+    *)
+      URL="https://search.b12f.io?q=$@"
+      ;;
+  esac
+
+
+  ${firefox-wayland}/bin/firefox --new-tab "$URL"
+  ${sway}/bin/swaymsg '[app_id="firefox"]' focus
+''
diff --git a/pkgs/sway-launcher.nix b/pkgs/sway-launcher.nix
new file mode 100644
index 0000000..afa09d0
--- /dev/null
+++ b/pkgs/sway-launcher.nix
@@ -0,0 +1,64 @@
+self: with self; ''
+  #!/usr/bin/env zsh
+  # terminal application launcher for sway, using fzf
+  # original command:
+  # Based on: https://github.com/swaywm/sway/issues/1367
+  # bindsym $altkey+space exec termite --name=launcher -e \
+  #    "bash -c 'compgen -c | sort -u | fzf --no-extended --print-query | \
+  #    tail -n1 | xargs -r swaymsg -t command exec'"
+
+  HIST_FILE="''${XDG_CACHE_HOME:-$HOME/.cache}/sway-launcher-history.txt"
+
+  # Get shell command list
+  # This may include the occasional non-executable file
+  command_list=$({ whence -wm '*' | sed 's/:[^:]*$//' })
+
+  # read existing command history
+  if [ -f "$HIST_FILE" ]; then
+      command_history=$(cat "$HIST_FILE")
+  else
+      command_history=""
+  fi
+
+  # search command list
+  command_str=$(printf "%s\n" "''${command_history}" "''${command_list}" | \
+      sed -E 's/^[0-9]+ (.+)$/\1/' | \
+      fzf --exact --no-extended --print-query --no-sort | \
+      tail -n1) || exit 1
+
+  if [ "$command_str" = "" ]; then
+      exit 1
+  fi
+  # echo "Command: $command_str"
+
+  # using \E flag from perl regex
+  test "''${command_str#*\\E}" != "$command_str" && echo "command can't contain '\E'"
+  test "''${command_str#*\\E}" != "$command_str" && exit 1
+
+  # get full line from history (with count number)
+  hist_line=$(echo "$command_history" | grep -Pe "^[0-9]+ \Q$command_str\E$")
+  # echo "Hist Line: $hist_line"
+
+  if [ "$hist_line" = "" ]; then
+      hist_count=1
+  else
+      # Increment usage count
+      hist_count=$(echo "$hist_line" | sed -E 's/^([0-9]+) .+$/\1/')
+      hist_count=$((hist_count + 1))
+      # delete line, to add updated later
+      # echo "Hist Before: $command_history"
+      command_history=$(echo "$command_history" | \
+          grep --invert-match -Pe "^[0-9]+ \Q$command_str\E$")
+      # echo "Hist After: $command_history"
+  fi
+
+  # update history
+  update_line="''${hist_count} ''${command_str}"
+  printf "%s\n" "''${update_line}" "''${command_history}" | \
+      sort --numeric-sort --reverse > "$HIST_FILE"
+  # echo "$update_line"
+
+  # execute command
+  echo "$command_str"
+  ${sway}/bin/swaymsg -t command exec "$command_str"
+''
diff --git a/pkgs/sway-service.nix b/pkgs/sway-service.nix
new file mode 100644
index 0000000..f0b97ee
--- /dev/null
+++ b/pkgs/sway-service.nix
@@ -0,0 +1,6 @@
+self: with self; ''
+  # first import environment variables from the login manager
+  systemctl --user import-environment
+  # then start the service
+  exec systemctl --wait --user start sway.service
+''
diff --git a/pkgs/swaylock-bg.nix b/pkgs/swaylock-bg.nix
new file mode 100644
index 0000000..b55c32a
--- /dev/null
+++ b/pkgs/swaylock-bg.nix
@@ -0,0 +1,20 @@
+self: with self; ''
+  # Dependencies:
+  # swaylock
+
+  # Make sure we aren't running twice
+  RUNNING=$(ps -A | grep swaylock | wc -l)
+  if [ $RUNNING -ne 0 ]; then
+    exit 0
+  fi
+
+  IMAGE=$XDG_CONFIG_HOME/wallpaper.jpg
+  LOCKARGS=""
+
+  for OUTPUT in `${sway}/bin/swaymsg -t get_outputs | jq -r '.[].name'`
+  do
+      LOCKARGS="''${LOCKARGS} --image ''${OUTPUT}:''${IMAGE}"
+      IMAGES="''${IMAGES} ''${IMAGE}"
+  done
+  exec ${swaylock}/bin/swaylock $LOCKARGS
+''
diff --git a/pkgs/toggle-kbd-layout.nix b/pkgs/toggle-kbd-layout.nix
new file mode 100644
index 0000000..0d837b0
--- /dev/null
+++ b/pkgs/toggle-kbd-layout.nix
@@ -0,0 +1,14 @@
+self: with self; ''
+  set -e
+
+  current_layout=$(${sway}/bin/swaymsg -t get_inputs | ${jq}/bin/jq -r '.[] | select(.type == "keyboard") | .xkb_active_layout_index' | head -1)
+  total_layouts=$(${sway}/bin/swaymsg -t get_inputs | ${jq}/bin/jq -r '.[] | select(.type == "keyboard") | .xkb_layout_names | length' | head -1)
+
+  next_layout=$(expr $current_layout + 1);
+
+  if [ $next_layout -ge $total_layouts ]; then
+    next_layout=0;
+  fi
+
+  ${sway}/bin/swaymsg input '*' xkb_switch_layout "$next_layout"
+''
diff --git a/pkgs/uhk-agent.nix b/pkgs/uhk-agent.nix
new file mode 100644
index 0000000..3143b05
--- /dev/null
+++ b/pkgs/uhk-agent.nix
@@ -0,0 +1,44 @@
+self: with self;
+let
+  uhk-agent-bin = stdenv.mkDerivation rec {
+    pname = "uhk-agent-bin";
+    version = "1.5.14";
+    src = builtins.fetchurl {
+      url = "https://github.com/UltimateHackingKeyboard/agent/releases/download/v1.5.14/UHK.Agent-1.5.14-linux-x86_64.AppImage";
+      sha256 = "sha256:1yzh4ixy0cqg02xf84vcqj3h67mkxyzs6jf1h935ay582n70nyqg";
+    };
+    phases = [ "installPhase" "patchPhase" ];
+    installPhase = ''
+      mkdir -p $out/bin
+      cp $src $out/bin/uhk-agent
+      chmod +x $out/bin/uhk-agent
+    '';
+  };
+
+  script = ''
+    #!${bash}/bin/bash
+
+    ${appimage-run}/bin/appimage-run ${uhk-agent-bin}/bin/uhk-agent
+  '';
+in
+stdenv.mkDerivation rec {
+  pname = "uhk-agent";
+  version = "1.5.14";
+  buildInputs = [
+    bash
+    uhk-agent-bin
+    appimage-run
+  ];
+
+  phases = [ "buildPhase" "installPhase" "patchPhase" ];
+
+  buildPhase = ''
+    echo "${script}" >> uhk-agent
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp uhk-agent $out/bin/uhk-agent
+    chmod +x $out/bin/uhk-agent
+  '';
+}
diff --git a/pkgs/wcwd.nix b/pkgs/wcwd.nix
new file mode 100644
index 0000000..e5ebcca
--- /dev/null
+++ b/pkgs/wcwd.nix
@@ -0,0 +1,5 @@
+self: with self; ''
+  pid=$(${sway}/bin/swaymsg -t get_tree | jq '.. | select(.type?) | select(.type=="con") | select(.focused==true).pid')
+  ppid=$(pgrep --newest --parent ''${pid})
+  readlink /proc/''${ppid}/cwd || echo $HOME
+''