diff --git a/pkgs/applications/kde/default.nix b/pkgs/applications/kde/default.nix
index a0e59c43d17c..32d1e71facf0 100644
--- a/pkgs/applications/kde/default.nix
+++ b/pkgs/applications/kde/default.nix
@@ -94,6 +94,7 @@ let
       grantleetheme = callPackage ./grantleetheme {};
       gwenview = callPackage ./gwenview.nix {};
       incidenceeditor = callPackage ./incidenceeditor.nix {};
+      itinerary = callPackage ./itinerary.nix {};
       juk = callPackage ./juk.nix {};
       k3b = callPackage ./k3b.nix {};
       kaccounts-integration = callPackage ./kaccounts-integration.nix {};
@@ -179,7 +180,9 @@ let
       kontact = callPackage ./kontact.nix {};
       konversation = callPackage ./konversation.nix {};
       kontactinterface = callPackage ./kontactinterface.nix {};
+      kopeninghours = callPackage ./kopeninghours.nix {};
       korganizer = callPackage ./korganizer.nix {};
+      kosmindoormap = callPackage ./kosmindoormap.nix {};
       kpat = callPackage ./kpat.nix {};
       kpimtextedit = callPackage ./kpimtextedit.nix {};
       kpkpass = callPackage ./kpkpass.nix {};
diff --git a/pkgs/applications/kde/itinerary.nix b/pkgs/applications/kde/itinerary.nix
new file mode 100644
index 000000000000..c08aa346cde0
--- /dev/null
+++ b/pkgs/applications/kde/itinerary.nix
@@ -0,0 +1,62 @@
+{ mkDerivation
+, lib
+, extra-cmake-modules
+, karchive
+, kcalendarcore
+, kcontacts
+, kdbusaddons
+, kfilemetadata
+, kholidays
+, kio
+, kirigami-addons
+, kitemmodels
+, kitinerary
+, kmime
+, knotifications
+, kosmindoormap
+, kpkpass
+, kpublictransport
+, kunitconversion
+, libquotient
+, networkmanager-qt
+, qqc2-desktop-style
+, qtpositioning
+, qtquickcontrols2
+, shared-mime-info
+}:
+
+mkDerivation {
+  pname = "itinerary";
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = [
+    extra-cmake-modules
+    shared-mime-info # for update-mime-database
+  ];
+
+  buildInputs = [
+    karchive
+    kcalendarcore
+    kcontacts
+    kdbusaddons
+    kfilemetadata
+    kholidays
+    kio
+    kirigami-addons
+    kitemmodels
+    kitinerary
+    kmime
+    knotifications
+    kosmindoormap
+    kpkpass
+    kpublictransport
+    kunitconversion
+    libquotient
+    networkmanager-qt
+    qqc2-desktop-style
+    qtpositioning
+    qtquickcontrols2
+  ];
+
+  meta.license = with lib.licenses; [ asl20 bsd3 cc0 lgpl2Plus ];
+}
diff --git a/pkgs/applications/kde/kopeninghours.nix b/pkgs/applications/kde/kopeninghours.nix
new file mode 100644
index 000000000000..6a49aeea5874
--- /dev/null
+++ b/pkgs/applications/kde/kopeninghours.nix
@@ -0,0 +1,28 @@
+{ mkDerivation
+, lib
+, bison
+, extra-cmake-modules
+, flex
+, kholidays
+, ki18n
+}:
+
+mkDerivation {
+  pname = "kopeninghours";
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = [
+    bison
+    extra-cmake-modules
+    flex
+  ];
+
+  buildInputs = [
+    kholidays
+    ki18n
+  ];
+
+  meta = {
+    license = with lib.licenses; [ bsd3 cc0 lgpl2Plus ];
+  };
+}
diff --git a/pkgs/applications/kde/kosmindoormap.nix b/pkgs/applications/kde/kosmindoormap.nix
new file mode 100644
index 000000000000..529aac48da7a
--- /dev/null
+++ b/pkgs/applications/kde/kosmindoormap.nix
@@ -0,0 +1,30 @@
+{ mkDerivation
+, lib
+, bison
+, extra-cmake-modules
+, flex
+, ki18n
+, kopeninghours
+, kpublictransport
+}:
+
+mkDerivation {
+  pname = "kosmindoormap";
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = [
+    bison
+    extra-cmake-modules
+    flex
+  ];
+
+  buildInputs = [
+    ki18n
+    kopeninghours
+    kpublictransport
+  ];
+
+  meta = {
+    license = with lib.licenses; [ bsd2 bsd3 cc0 lgpl2Plus lgpl3Plus mit odbl ];
+  };
+}
diff --git a/pkgs/applications/kde/neochat.nix b/pkgs/applications/kde/neochat.nix
index a9661648ddf8..03c6f19e68f5 100644
--- a/pkgs/applications/kde/neochat.nix
+++ b/pkgs/applications/kde/neochat.nix
@@ -24,7 +24,6 @@
 , qcoro
 , qqc2-desktop-style
 , qtgraphicaleffects
-, qtkeychain
 , qtlocation
 , qtmultimedia
 , qtquickcontrols2
@@ -59,7 +58,6 @@ mkDerivation {
     olm
     qcoro
     qtgraphicaleffects
-    qtkeychain
     qtlocation
     qtmultimedia
     qtquickcontrols2
diff --git a/pkgs/development/libraries/libquotient/default.nix b/pkgs/development/libraries/libquotient/default.nix
index 2dd4cc6663a9..e154ab8eafe2 100644
--- a/pkgs/development/libraries/libquotient/default.nix
+++ b/pkgs/development/libraries/libquotient/default.nix
@@ -4,6 +4,8 @@ stdenv.mkDerivation rec {
   pname = "libquotient";
   version = "0.8.1.2";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchFromGitHub {
     owner = "quotient-im";
     repo = "libQuotient";
@@ -11,10 +13,10 @@ stdenv.mkDerivation rec {
     hash = "sha256-qJTikc42sFUlb4g0sAEg6v9d4k1lhbn3MZPvghm56E8=";
   };
 
-  buildInputs = [ olm openssl qtbase qtmultimedia qtkeychain ];
-
   nativeBuildInputs = [ cmake ];
 
+  propagatedBuildInputs = [ qtbase qtkeychain olm openssl qtmultimedia ];
+
   cmakeFlags = [
     "-DQuotient_ENABLE_E2EE=ON"
   ];
@@ -28,9 +30,14 @@ stdenv.mkDerivation rec {
 
   dontWrapQtApps = true;
 
+  postInstall = ''
+    # causes cyclic dependency but is not used
+    rm $out/share/ndk-modules/Android.mk
+  '';
+
   meta = with lib; {
     description = "A Qt5/Qt6 library to write cross-platform clients for Matrix";
-    homepage = "https://matrix.org/docs/projects/sdk/quotient";
+    homepage = "https://quotient-im.github.io/libQuotient/";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ colemickens matthiasbeyer ];
   };