{
  appimageTools,
  fetchurl,
  lib,
  pkgs,
  ...
}:
let
  pname = "fluxer-canary";
  version = "2026.602.31138";

  src = fetchurl {
    url = "https://api.canary.fluxer.app/dl/desktop/canary/linux/x64/latest/appimage";
    sha256 = "sha256-d4FAWwrWyoyp7lo8X+nIe+Dd6Z8rDThyK1wU00f7rjY=";
  };

  appimageContents = appimageTools.extract { inherit pname version src; };
in
appimageTools.wrapType2 rec {
  inherit pname version src;

  extraInstallCommands = ''
    install -m 444 -D ${appimageContents}/${pname}.desktop $out/share/applications/${pname}.desktop

    install -m 444 -D ${appimageContents}/${pname}.png $out/share/icons/hicolor/512x512/apps/${pname}.png

    substituteInPlace $out/share/applications/${pname}.desktop \
      --replace 'Exec=AppRun %U' 'Exec=${pname} %U'
  '';

  meta = with lib; {
    description = "Open-source, self-hosted alternative to Discord";
    homepage = "https://fluxer.app/";
    license = licenses.agpl3Only;
    maintainers = [ ];
    platforms = [ "x86_64-linux" ];
  };
}