diff --git a/pkgs/applications/networking/instant-messengers/neochat/default.nix b/pkgs/applications/networking/instant-messengers/neochat/default.nix
new file mode 100644
index 00000000000..141b887ef9b
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/neochat/default.nix
@@ -0,0 +1,41 @@
+{ mkDerivation, stdenv, fetchFromGitLab
+, pkgconfig, wrapQtAppsHook
+, cmake
+, qtbase, qttools, qtquickcontrols2, qtmultimedia, qtkeychain
+, libpulseaudio
+# Not mentioned but seems needed
+, qtgraphicaleffects
+, qtdeclarative
+, qtmacextras
+, olm, libsecret, cmark, extra-cmake-modules, kirigami2, ki18n, knotifications, kdbusaddons, kconfig, libquotient
+, KQuickImageEdit, kitemmodels
+}:
+
+let
+qtkeychain-qt5 = qtkeychain.override {
+  inherit qtbase qttools;
+  withQt5 = true;
+};
+
+in mkDerivation rec {
+  pname = "neochat";
+  version = "v1.0";
+
+  src = fetchFromGitLab {
+    domain = "invent.kde.org";
+    owner = "network";
+    repo = pname;
+    rev = version;
+    sha256 = "1r9n83kvc5v215lzmzh6hyc5q9i3w6znbf508qk0mdwdzxz4zry9";
+  };
+
+  nativeBuildInputs = [ pkgconfig cmake extra-cmake-modules wrapQtAppsHook ];
+  buildInputs = [ qtbase qtkeychain-qt5 qtquickcontrols2 qtmultimedia qtgraphicaleffects qtdeclarative olm libsecret cmark kirigami2 ki18n knotifications kdbusaddons kconfig libquotient KQuickImageEdit kitemmodels libpulseaudio ];
+
+  meta = with stdenv.lib; {
+    description = "A client for matrix, the decentralized communication protocol.";
+    homepage = "https://apps.kde.org/en/neochat";
+    license = licenses.gpl3;
+    platforms = with platforms; linux;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 84f312e009f..bbb93ef21de 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5933,6 +5933,8 @@ in
 
   neo-cowsay = callPackage ../tools/misc/neo-cowsay { };
 
+  neochat = libsForQt5.callPackage ../applications/networking/instant-messengers/neochat { };
+
   neofetch = callPackage ../tools/misc/neofetch { };
 
   nerdfonts = callPackage ../data/fonts/nerdfonts { };