final: prev: {
  comic-sans = final.callPackage ./comic-sans { };
  comic-code = final.callPackage ./comic-code { };
  zar = final.callPackage ./zar { };
  gobar = final.callPackage ./gobar { };
  roc-toolkit-patched = final.callPackage ./roc-toolkit-patched { };
  roc-send-pcm = final.callPackage ./roc-send-pcm { };
}