diff --git a/pkgs/by-name/da/dashy-ui/package.nix b/pkgs/by-name/da/dashy-ui/package.nix
new file mode 100644
index 000000000000..dafb76a7c8ef
--- /dev/null
+++ b/pkgs/by-name/da/dashy-ui/package.nix
@@ -0,0 +1,57 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchYarnDeps,
+  yarnConfigHook,
+  yarnBuildHook,
+  nodejs,
+  yq-go,
+  settings ? { },
+}:
+stdenv.mkDerivation (finalAttrs: {
+  pname = "dashy-ui";
+  # This is like 3.1.1 but the latest working yarn.lock.
+  # All other changes are for docs with the exception of 768d746cbfcf365c58ad1194c5ccc74c14f3ed3a, which simply adds no-referrer meta tag
+  version = "3.1.1-unstable-2024-07-14";
+  src = fetchFromGitHub {
+    owner = "lissy93";
+    repo = "dashy";
+    rev = "0b1af9db483f80323e782e7834da2a337393e111";
+    hash = "sha256-lRJ3lI9UUIaw9GWPEy81Dbf4cu6rClA4VjdWejVQN+g=";
+  };
+  yarnOfflineCache = fetchYarnDeps {
+    yarnLock = finalAttrs.src + "/yarn.lock";
+    hash = "sha256-KVAZIBM47yp1NWYc2esvTwfoAev4q7Wgi0c73PUZRNw=";
+  };
+  # - If no settings are passed, use the default config provided by upstream
+  # - Despite JSON being valid YAML (and the JSON passing the config validator),
+  # there seem to be some issues with JSON in the final build - potentially due to
+  # the way the client parses things
+  # - Instead, we use `yq-go` to convert it to yaml
+  # Config validation needs to happen after yarnConfigHook, since it's what sets the yarn offline cache
+  postYarnConfigHook = lib.optional (settings != { }) ''
+    echo "Writing settings override..."
+    yq --output-format yml '${builtins.toFile "conf.json" ''${builtins.toJSON settings}''}' > user-data/conf.yml
+    yarn validate-config --offline
+  '';
+  installPhase = ''
+    mkdir $out
+    cp -R dist/* $out
+  '';
+
+  nativeBuildInputs = [
+    yarnConfigHook
+    yarnBuildHook
+    nodejs
+    # For yaml parsing
+    yq-go
+  ];
+  doDist = false;
+  meta = {
+    description = "dashy";
+    homepage = "https://dashy.to";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.therealgramdalf ];
+  };
+})