diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index e6f130797a5a..3bc03735be8a 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -5574,6 +5574,12 @@
     githubId = 217543;
     name = "Damien Cassou";
   };
+  dan-kc = {
+    email = "daniel@keone.dev";
+    github = "dan-kc";
+    githubId = 63171098;
+    name = "Daniel Cox";
+  };
   dan-theriault = {
     email = "nix@theriault.codes";
     github = "Dan-Theriault";
diff --git a/pkgs/by-name/su/sunsama/package.nix b/pkgs/by-name/su/sunsama/package.nix
new file mode 100644
index 000000000000..07b202838360
--- /dev/null
+++ b/pkgs/by-name/su/sunsama/package.nix
@@ -0,0 +1,34 @@
+{
+  appimageTools,
+  lib,
+  fetchurl,
+}:
+
+let
+  version = "3.1.1";
+  pname = "sunsama";
+  src = fetchurl {
+    url = "https://download.todesktop.com/2003096gmmnl0g1/sunsama-${version}-build-250512vfxlcgvds-x86_64.AppImage";
+    hash = "sha512-VOzD/kWfsP2GR1uYkVUdjAuw9tlKjHRNxYuDSYYH7fn43Bk+wfgom/ofu3it/vQjjtuezkTN6gi96U87ypQrSA==";
+  };
+  appimageContents = appimageTools.extractType2 { inherit pname version src; };
+in
+
+appimageTools.wrapType2 {
+  inherit pname version src;
+  extraInstallCommands = ''
+    install -Dm444 ${appimageContents}/sunsama.desktop $out/share/applications/sunsama.desktop
+    install -Dm444 {${appimageContents}/usr,$out}/share/icons/hicolor/512x512/apps/sunsama.png
+    substituteInPlace $out/share/applications/sunsama.desktop \
+      --replace-fail 'Exec=AppRun' 'Exec=sunsama'
+  '';
+
+  meta = {
+    description = "Digital daily planner that helps you feel calm and stay focused";
+    homepage = "https://sunsama.com";
+    license = lib.licenses.unfree;
+    maintainers = with lib.maintainers; [ dan-kc ];
+    platforms = [ "x86_64-linux" ];
+    mainProgram = "sunsama";
+  };
+}