diff --git a/nix/packages/by-name/tmux-sessionizer/package.nix b/nix/packages/by-name/tmux-sessionizer/package.nix
index d222db0b..6cdf7d1b 100644
--- a/nix/packages/by-name/tmux-sessionizer/package.nix
+++ b/nix/packages/by-name/tmux-sessionizer/package.nix
@@ -2,6 +2,8 @@
   writeShellApplication,
   tmux,
   procps,
+  fzf,
+  gnused,
   lib,
   symlinkJoin,
 }: let
@@ -72,6 +74,46 @@
       ${lib.getExe tmux-attach-or-switch} "$session_name"
     '';
   };
+
+  tmux-sessionizer = writeShellApplication {
+    name = "tmux-sessionizer";
+    runtimeInputs = [fzf gnused];
+    text = ''
+      selected=$(
+        {
+          fd . "$REPO_PATH" --exact-depth 2 --hidden --type d
+          fd . "$WORKTREE_PATH" --exact-depth 4 --hidden --type d
+          fd . "$PLAYGROUND_PATH" --exact-depth 1 --hidden --type d
+          echo "dotfiles"
+          echo "password-store"
+        } 2> /dev/null | sed -e "s|^$HOME|~|" | fzf)
+      selected=''${selected//\~/$HOME}
+
+      if [ -z "$selected" ]; then
+          return 0
+      fi
+
+      # derive session name based on selected path
+      # dots are meaningful in tmux, remove them
+      session_name=''${selected//./_}
+
+      # fixup special cases, override derived session_name if necessary
+      # this should be id for non-special cases
+      case "$selected" in
+          dotfiles)
+              selected=~/.dotfiles
+              ;;
+          password-store)
+              selected="$PASSWORD_STORE_DIR"
+              ;;
+      esac
+
+      # effects
+      ${lib.getExe tmux-register-session} || :
+      ${lib.getExe tmux-maybe-create} "$session_name" "$selected"
+      ${lib.getExe tmux-attach-or-switch} "$session_name"
+    '';
+  };
 in
   symlinkJoin {
     name = "tmux-sessionizer";
@@ -80,5 +122,6 @@ in
       tmux-maybe-create
       tmux-attach-or-switch
       tmux-last
+      tmux-sessionizer
     ];
   }