diff --git a/default.nix b/default.nix
index 2d03df03bcbd697426c7ea57f28b9b70aba54ab6..973042a91fca407a34673a73f2d4b2b4c898da53 100644
--- a/default.nix
+++ b/default.nix
@@ -5,21 +5,20 @@ # It should NOT import <nixpkgs>. Instead, you should take pkgs as an argument.
 # Having pkgs default to <nixpkgs> is fine though, and it lets you use short
 # commands such as:
 #     nix-build -A mypackage
-{pkgs ? import <nixpkgs> {}}: {
+
+# This file describes your repository contents.
   # The `lib`, `modules`, and `overlay` names are special
 # This file describes your repository contents.
+# and optionally the special attributes `lib`, `modules` and `overlays`.
+# It should return a set of nix derivations
-  modules = import ./modules; # NixOS modules
+  # The `lib`, `modules`, and `overlay` names are special
-# This file describes your repository contents.
 # It should return a set of nix derivations
 # This file describes your repository contents.
-# and optionally the special attributes `lib`, `modules` and `overlays`.
 # This file describes your repository contents.
-# It should NOT import <nixpkgs>. Instead, you should take pkgs as an argument.
 # This file describes your repository contents.
-# Having pkgs default to <nixpkgs> is fine though, and it lets you use short
 # This file describes your repository contents.
-# and optionally the special attributes `lib`, `modules` and `overlays`.
+# It should return a set of nix derivations
 # This file describes your repository contents.
-# commands such as:
+# and optionally the special attributes `lib`, `modules` and `overlays`.
-  prospect-mail = pkgs.callPackage ./pkgs/prospect-mail {};
+  tmpl = pkgs.callPackage ./pkgs/tmpl { };
 }
diff --git a/pkgs/prospect-mail/default.nix b/pkgs/prospect-mail/default.nix
deleted file mode 100644
index c2f4140d494f75fcc116beb83deebfcd3ac1797c..0000000000000000000000000000000000000000
--- a/pkgs/prospect-mail/default.nix
+++ /dev/null
@@ -1,105 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  makeWrapper,
-  makeDesktopItem,
-  copyDesktopItems,
-  nodejs_18,
-  fetchYarnDeps,
-  fixup_yarn_lock,
-  electron,
-  libpulseaudio,
-  pipewire,
-  alsa-utils,
-  which,
-}:
-stdenv.mkDerivation rec {
-  pname = "prospect-mail";
-  version = "0.5.2";
-
-  src = fetchFromGitHub {
-    owner = "jolheiser";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-ptbxXYWwvalkC1PdCRUbtj23KrAv42HhUS6EUhLgjNY=";
-  };
-
-  offlineCache = fetchYarnDeps {
-    yarnLock = "${src}/yarn.lock";
-    sha256 = "sha256-tenHW93GF9rQs9AyEv4Nkike0IAry3qI+geZ5LKbrgo=";
-  };
-
-  nativeBuildInputs = [nodejs_18.pkgs.yarn fixup_yarn_lock nodejs_18 copyDesktopItems makeWrapper];
-
-  configurePhase = ''
-    runHook preConfigure
-
-    export HOME=$(mktemp -d)
-    yarn config --offline set yarn-offline-mirror $offlineCache
-    fixup_yarn_lock yarn.lock
-    yarn install --offline --frozen-lockfile --ignore-platform --ignore-scripts --no-progress --non-interactive
-    patchShebangs node_modules/
-
-    runHook postConfigure
-  '';
-
-  buildPhase = ''
-    runHook preBuild
-
-    yarn --offline electron-builder \
-      --dir ${
-      if stdenv.isDarwin
-      then "--macos"
-      else "--linux"
-    } ${
-      if stdenv.hostPlatform.isAarch64
-      then "--arm64"
-      else "--x64"
-    } \
-      -c.electronDist=${electron}/lib/electron \
-      -c.electronVersion=${electron.version}
-
-    runHook postBuild
-  '';
-
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out/share/{applications,prospect-mail}
-    cp dist/${
-      if stdenv.isDarwin
-      then "darwin-"
-      else "linux-"
-    }${lib.optionalString stdenv.hostPlatform.isAarch64 "arm64-"}unpacked/resources/app.asar $out/share/prospect-mail/
-
-    pushd build/icons
-    for image in *png; do
-      mkdir -p $out/share/icons/hicolor/''${image%.png}/apps
-      cp -r $image $out/share/icons/hicolor/''${image%.png}/apps/prospect-mail.png
-    done
-    popd
-
-    # Linux needs 'aplay' for notification sounds, 'libpulse' for meeting sound, and 'libpipewire' for screen sharing
-    makeWrapper '${electron}/bin/electron' "$out/bin/prospect-mail" \
-      ${lib.optionalString stdenv.isLinux ''
-      --prefix PATH : ${lib.makeBinPath [alsa-utils which]} \
-      --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [libpulseaudio pipewire]} \
-    ''} \
-      --add-flags "$out/share/prospect-mail/app.asar" \
-      --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations}}"
-
-    runHook postInstall
-  '';
-
-  desktopItems = [
-    (makeDesktopItem {
-      name = pname;
-      exec = pname;
-      icon = pname;
-      desktopName = "Outlook for Linux";
-      comment = "Outlook wrapper client for Linux";
-      categories = ["Network" "Email"];
-    })
-  ];
-}