diff --git a/pkgs/by-name/ya/yass/package.nix b/pkgs/by-name/ya/yass/package.nix
new file mode 100644
index 0000000000000..678618e3a7785
--- /dev/null
+++ b/pkgs/by-name/ya/yass/package.nix
@@ -0,0 +1,58 @@
+{
+  lib,
+  stdenv,
+  openjdk8,
+  ant,
+  makeWrapper,
+  fetchFromGitHub,
+}:
+stdenv.mkDerivation (finalAttrs: {
+  pname = "yass";
+  version = "2.5.0";
+
+  src = fetchFromGitHub {
+    owner = "SarutaSan72";
+    repo = "Yass";
+    tag = finalAttrs.version;
+    hash = "sha256-eZomMlc8MRqekzRCTOxeN3gaxMmxQK2W61CTlKpUj6g=";
+  };
+
+  nativeBuildInputs = [
+    openjdk8
+    makeWrapper
+  ];
+
+  buildInputs = [ ant ];
+
+  buildPhase = ''
+    runHook preBuild
+
+    export JAVA_TOOL_OPTIONS=-Dfile.encoding=UTF8
+    ant -f build-jar.xml compile jar
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin $out/share/yass
+
+    cp release/yass-${finalAttrs.version}.jar $out/share/yass
+
+    makeWrapper ${lib.getExe openjdk8} $out/bin/yass \
+      --add-flags "-cp $out/share/yass/yass-${finalAttrs.version}.jar yass.YassMain"
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Karaoke Editor for finetuning Ultrastar Songs";
+    homepage = "http://yass-along.com/";
+    downloadPage = "https://github.com/SarutaSan72/Yass";
+    changelog = "https://github.com/SarutaSan72/Yass/releases/tag/${finalAttrs.version}";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ _0x5a4 ];
+    mainProgram = "yass";
+  };
+})