diff --git a/pkgs/applications/audio/openutau/default.nix b/pkgs/applications/audio/openutau/default.nix
new file mode 100644
index 000000000000..645b0715611d
--- /dev/null
+++ b/pkgs/applications/audio/openutau/default.nix
@@ -0,0 +1,85 @@
+{ lib
+, stdenv
+, buildDotnetModule
+, fetchFromGitHub
+, dotnetCorePackages
+, dbus
+, fontconfig
+, libICE
+, libSM
+, libX11
+, portaudio
+}:
+
+buildDotnetModule rec {
+  pname = "OpenUtau";
+  version = "0.1.158";
+
+  src = fetchFromGitHub {
+    owner = "stakira";
+    repo = "OpenUtau";
+    rev = "build/${version}";
+    hash = "sha256-/+hlL2sj/juzWrDcb5dELp8Zdg688XK8OnjKz20rx/M=";
+  };
+
+  dotnet-sdk = dotnetCorePackages.sdk_7_0;
+  dotnet-runtime = dotnetCorePackages.runtime_7_0;
+
+  projectFile = "OpenUtau.sln";
+  nugetDeps = ./deps.nix;
+
+  executables = [ "OpenUtau" ];
+
+  runtimeDeps = [
+    dbus
+    fontconfig
+    libICE
+    libSM
+    libX11
+    portaudio
+  ];
+
+  dotnetInstallFlags = [ "-p:PublishReadyToRun=false" ];
+
+  # socket cannot bind to localhost on darwin for tests
+  doCheck = !stdenv.isDarwin;
+
+  # needed until upstream bumps to dotnet 7
+  postPatch = ''
+    substituteInPlace OpenUtau/OpenUtau.csproj OpenUtau.Test/OpenUtau.Test.csproj --replace \
+      "<TargetFramework>net6.0</TargetFramework>" \
+      "<TargetFramework>net7.0</TargetFramework>"
+  '';
+
+  # need to make sure proprietary worldline resampler is copied
+  postInstall = let
+    runtime = if (stdenv.isLinux && stdenv.isx86_64) then "linux-x64"
+         else if (stdenv.isLinux && stdenv.isAarch64) then "linux-arm64"
+         else if stdenv.isDarwin then "osx"
+         else null;
+  in lib.optionalString (runtime != null) ''
+    cp runtimes/${runtime}/native/libworldline${stdenv.hostPlatform.extensions.sharedLibrary} $out/lib/OpenUtau/
+  '';
+
+  passthru.updateScript = ./update.sh;
+
+  meta = with lib; {
+    description = "Open source singing synthesis platform and UTAU successor";
+    homepage = "http://www.openutau.com/";
+    sourceProvenance = with sourceTypes; [
+      fromSource
+      # deps
+      binaryBytecode
+      # some deps and worldline resampler
+      binaryNativeCode
+    ];
+    license = with licenses; [
+      # dotnet code
+      mit
+      # worldline resampler
+      unfree
+    ];
+    maintainers = with maintainers; [ lilyinstarlight ];
+    platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+  };
+}
diff --git a/pkgs/applications/audio/openutau/deps.nix b/pkgs/applications/audio/openutau/deps.nix
new file mode 100644
index 000000000000..ea369c140803
--- /dev/null
+++ b/pkgs/applications/audio/openutau/deps.nix
@@ -0,0 +1,247 @@
+# This file was automatically generated by passthru.fetch-deps.
+# Please dont edit it manually, your changes might get overwritten!
+
+{ fetchNuGet }: [
+  (fetchNuGet { pname = "AsyncIO"; version = "0.1.69"; sha256 = "1anby58bs94gf338vmn6vvwxw0kcz6y8yap57vgh8dgm9vysl0i5"; })
+  (fetchNuGet { pname = "Avalonia"; version = "11.0.0-rc1.1"; sha256 = "15gn6qbbx6zars37fvfdsyvqg9303zr8dsx7k1v6a4mzm190xhmm"; })
+  (fetchNuGet { pname = "Avalonia.Angle.Windows.Natives"; version = "2.1.0.2023020321"; sha256 = "1az4s1g22ipak9a3xfh55z2h3rm6lpqh7svbpw6ag4ysrgsjjsjd"; })
+  (fetchNuGet { pname = "Avalonia.BuildServices"; version = "0.0.19"; sha256 = "1vlhyjb2g98hh5gnisg4bdl9p93x8lmnkc97d24hpxgflcd7szs7"; })
+  (fetchNuGet { pname = "Avalonia.Controls.ColorPicker"; version = "11.0.0-rc1.1"; sha256 = "0nflr62lywmgby1lc6zasn24rinkq72imkazhv77wnj28ayid3bx"; })
+  (fetchNuGet { pname = "Avalonia.Controls.DataGrid"; version = "11.0.0-rc1.1"; sha256 = "088xz8llm8298agk4dkpzrb1bqyksgvzhj3pw1s4r1fcdfl0z64j"; })
+  (fetchNuGet { pname = "Avalonia.Desktop"; version = "11.0.0-rc1.1"; sha256 = "06580q0il62f3464vq2113gbv0yng4jqm79k2wvn3brzl82pyhvq"; })
+  (fetchNuGet { pname = "Avalonia.Diagnostics"; version = "11.0.0-rc1.1"; sha256 = "1jia97djk33za7spfr9276plvx8mybm7i3ckp1wprlnmh5b6nykp"; })
+  (fetchNuGet { pname = "Avalonia.FreeDesktop"; version = "11.0.0-rc1.1"; sha256 = "1mpm34lgxcxh5hglyq2fpggdf18cadzx9030kxax5ilp69mk93df"; })
+  (fetchNuGet { pname = "Avalonia.Native"; version = "11.0.0-rc1.1"; sha256 = "0hzk1gb4zh9n5k3wv2n8nw9qcgyj9pvwysph3shg9m8wwrdhkiy5"; })
+  (fetchNuGet { pname = "Avalonia.ReactiveUI"; version = "11.0.0-rc1.1"; sha256 = "08116ixw118i2v11dylhwkj1ilgkpk29cp9n7zqj3zk7pxkln2f7"; })
+  (fetchNuGet { pname = "Avalonia.Remote.Protocol"; version = "11.0.0-rc1.1"; sha256 = "1m3r05b14vw4mn1m9ak91j00q0ppnkysb6m7w86sacqjfhpl8faa"; })
+  (fetchNuGet { pname = "Avalonia.Skia"; version = "11.0.0-rc1.1"; sha256 = "0a8xvqd0hgi8bynjipvvhg0cm9qr63p0h3ji1wbn3y9vrysliykh"; })
+  (fetchNuGet { pname = "Avalonia.Themes.Fluent"; version = "11.0.0-rc1.1"; sha256 = "03lp3m40hwbpasa4q6gykj1y5772lpzzr59y5k1nbi54k2n3fl3k"; })
+  (fetchNuGet { pname = "Avalonia.Themes.Simple"; version = "11.0.0-rc1.1"; sha256 = "0bgz8djfmb17qrf44bivcyf9hwdfccl5f8hgyq158y7ag4a313sn"; })
+  (fetchNuGet { pname = "Avalonia.Win32"; version = "11.0.0-rc1.1"; sha256 = "1zslv10kcmclx5ajd74yi6j1f8p3a9iy2r0w4k8kwkc56d5jg30c"; })
+  (fetchNuGet { pname = "Avalonia.X11"; version = "11.0.0-rc1.1"; sha256 = "0b4bmza84bv8hbh6jmy1kxxp9pnz4q4wq6bw8jc30w4jkdhp588r"; })
+  (fetchNuGet { pname = "BunLabs.NAudio.Flac"; version = "2.0.1"; sha256 = "1ps7fs451ydsaz5g4j7bhcfawp8fys6vcah3rsrl36g7ni0dwf3v"; })
+  (fetchNuGet { pname = "Concentus"; version = "1.1.7"; sha256 = "0y5z444wrbhlmsqpy2sxmajl1fbf74843lvgj3y6vz260dn2q0l0"; })
+  (fetchNuGet { pname = "Concentus.Oggfile"; version = "1.0.4"; sha256 = "12n5bcg1i91daqgnl7q6d55phbkv1srkrvk2k7k8vxpyv231yb6v"; })
+  (fetchNuGet { pname = "coverlet.collector"; version = "6.0.0"; sha256 = "12j34vrkmph8lspbafnqmfnj2qvysz1jcrks2khw798s6dwv0j90"; })
+  (fetchNuGet { pname = "DotNet.Bundle"; version = "0.9.13"; sha256 = "0awzvk62hgszm9b8ar87y862aj8nlm77d7hgfmp84mxny0ag03jl"; })
+  (fetchNuGet { pname = "DynamicData"; version = "7.9.5"; sha256 = "1m9qx8g6na5ka6kd9vhg8gjmxrnkzb6v5cl5yqp1kdjsw4rcwy6x"; })
+  (fetchNuGet { pname = "Fody"; version = "6.6.3"; sha256 = "02qhz4l2qqzsjzhv0jyb0bp8dckpjfg6w6pss5cng98g92zxkma6"; })
+  (fetchNuGet { pname = "HarfBuzzSharp"; version = "2.8.2.3"; sha256 = "115aybicqs9ijjlcv6k6r5v0agkjm1bm1nkd0rj3jglv8s0xvmp2"; })
+  (fetchNuGet { pname = "HarfBuzzSharp.NativeAssets.Linux"; version = "2.8.2.3"; sha256 = "1f18ahwkaginrg0vwsi6s56lvnqvvxv7pzklfs5lnknasxy1a76z"; })
+  (fetchNuGet { pname = "HarfBuzzSharp.NativeAssets.macOS"; version = "2.8.2.3"; sha256 = "052d8frpkj4ijs6fm6xp55xbv95b1s9biqwa0w8zp3rgm88m9236"; })
+  (fetchNuGet { pname = "HarfBuzzSharp.NativeAssets.WebAssembly"; version = "2.8.2.3"; sha256 = "043hv36bg5240znbm8x5la7py17m4jfzy57q3ka32f6zjld83j36"; })
+  (fetchNuGet { pname = "HarfBuzzSharp.NativeAssets.Win32"; version = "2.8.2.3"; sha256 = "08khd2jqm8sw58ljz5srangzfm2sz3gd2q1jzc5fr80lj8rv6r74"; })
+  (fetchNuGet { pname = "K4os.Hash.xxHash"; version = "1.0.8"; sha256 = "0vz1f81z4rh7a576fdzbc6wmj7p4gaca1rch3anvh1s5qd7xdd10"; })
+  (fetchNuGet { pname = "Melanchall.DryWetMidi"; version = "6.1.4"; sha256 = "1m0n6in27cpasmshw261az1n9y7rq4vp7z80gv7zpg8wqichqnqv"; })
+  (fetchNuGet { pname = "MicroCom.Runtime"; version = "0.11.0"; sha256 = "0p9c3m0zk59x9dcqw077hzd2yk60myisbacvm36mnwpcjwzjkp2m"; })
+  (fetchNuGet { pname = "Microsoft.Bcl.AsyncInterfaces"; version = "5.0.0"; sha256 = "0cp5jbax2mf6xr3dqiljzlwi05fv6n9a35z337s92jcljiq674kf"; })
+  (fetchNuGet { pname = "Microsoft.Bcl.HashCode"; version = "1.1.1"; sha256 = "0xwfph92p92d8hgrdiaka4cazqsjpg4ywfxfx6qbk3939f29kzl0"; })
+  (fetchNuGet { pname = "Microsoft.CodeAnalysis.Analyzers"; version = "3.0.0"; sha256 = "0bbl0jpqywqmzz2gagld1p2gvdfldjfjmm25hil9wj2nq1zc4di8"; })
+  (fetchNuGet { pname = "Microsoft.CodeAnalysis.Common"; version = "3.8.0"; sha256 = "12n7rvr39bzkf2maw7zplw8rwpxpxss4ich3bb2pw770rx4nyvyw"; })
+  (fetchNuGet { pname = "Microsoft.CodeAnalysis.CSharp"; version = "3.8.0"; sha256 = "1kmry65csvfn72zzc16vj1nfbfwam28wcmlrk3m5rzb8ydbzgylb"; })
+  (fetchNuGet { pname = "Microsoft.CodeAnalysis.CSharp.Scripting"; version = "3.8.0"; sha256 = "0w0yx0lpg54iw5jazqk46h48gx43ij32gwac8iywdj6kxfxm03vw"; })
+  (fetchNuGet { pname = "Microsoft.CodeAnalysis.Scripting.Common"; version = "3.8.0"; sha256 = "0hjgxcsj5zy27lqk0986m59n5dbplx2vjjla2lsvg4bwg8qa7bpk"; })
+  (fetchNuGet { pname = "Microsoft.CodeCoverage"; version = "17.6.2"; sha256 = "1wwmg6hn4dp2mvwn2bm81wccdw149lq17xdnpz17mvg4zcwmax7g"; })
+  (fetchNuGet { pname = "Microsoft.CSharp"; version = "4.3.0"; sha256 = "0gw297dgkh0al1zxvgvncqs0j15lsna9l1wpqas4rflmys440xvb"; })
+  (fetchNuGet { pname = "Microsoft.Extensions.ObjectPool"; version = "5.0.10"; sha256 = "07fk669pjydkcg6bxxv7aj548fzab4yb7ba8370d719lgi9y425l"; })
+  (fetchNuGet { pname = "Microsoft.ML.OnnxRuntime"; version = "1.15.0"; sha256 = "1wjafpn0fgxxyl5kw427ypc8c2gwha286sf96mv3fivdk3qyysxw"; })
+  (fetchNuGet { pname = "Microsoft.ML.OnnxRuntime.Managed"; version = "1.15.0"; sha256 = "06hnsx0a81gbz5zr4qqij2c518wqdn3hg784zvkj0jlkwi5z2hr8"; })
+  (fetchNuGet { pname = "Microsoft.NET.Test.Sdk"; version = "17.6.2"; sha256 = "1a658bnh5q3lfkrr81h3lyx1mc3hggnjr1bpmim71rr2s42ad70v"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Platforms"; version = "1.1.0"; sha256 = "08vh1r12g6ykjygq5d3vq09zylgb84l63k49jc4v8faw9g93iqqm"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Platforms"; version = "2.1.2"; sha256 = "1507hnpr9my3z4w1r6xk5n0s1j3y6a2c2cnynj76za7cphxi1141"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Platforms"; version = "5.0.0"; sha256 = "0mwpwdflidzgzfx2dlpkvvnkgkr2ayaf0s80737h4wa35gaj11rc"; })
+  (fetchNuGet { pname = "Microsoft.NETCore.Targets"; version = "1.1.0"; sha256 = "193xwf33fbm0ni3idxzbr5fdq3i2dlfgihsac9jj7whj0gd902nh"; })
+  (fetchNuGet { pname = "Microsoft.TestPlatform.ObjectModel"; version = "17.6.2"; sha256 = "0asbrbdyyig1p034smf79lszzbfv1cn6q181i7d4p2vsiqpjp9sj"; })
+  (fetchNuGet { pname = "Microsoft.TestPlatform.TestHost"; version = "17.6.2"; sha256 = "0lcj8kkcnxbwiaw6j0xf4fxqpa6z0s41nq52spvckfg4367lg4fg"; })
+  (fetchNuGet { pname = "Microsoft.Win32.Primitives"; version = "4.3.0"; sha256 = "0j0c1wj4ndj21zsgivsc24whiya605603kxrbiw6wkfdync464wq"; })
+  (fetchNuGet { pname = "Microsoft.Win32.SystemEvents"; version = "5.0.0"; sha256 = "0sja4ba0mrvdamn0r9mhq38b9dxi08yb3c1hzh29n1z6ws1hlrcq"; })
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+  (fetchNuGet { pname = "NetMQ"; version = "4.0.1.12"; sha256 = "0zx0m26cbpp105lnwhaynl73sg7n2gni5744vnrk198iwd114zrv"; })
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+  (fetchNuGet { pname = "Newtonsoft.Json"; version = "13.0.3"; sha256 = "0xrwysmrn4midrjal8g2hr1bbg38iyisl0svamb11arqws4w2bw7"; })
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+  (fetchNuGet { pname = "System.Text.Encoding"; version = "4.3.0"; sha256 = "1f04lkir4iladpp51sdgmis9dj4y8v08cka0mbmsy0frc9a4gjqr"; })
+  (fetchNuGet { pname = "System.Text.Encoding.CodePages"; version = "4.5.1"; sha256 = "1z21qyfs6sg76rp68qdx0c9iy57naan89pg7p6i3qpj8kyzn921w"; })
+  (fetchNuGet { pname = "System.Text.Encoding.CodePages"; version = "4.7.0"; sha256 = "00yamg3b111blkjvyckxl5nxsxs2n9iccp7z1x0c2j96czgf60pz"; })
+  (fetchNuGet { pname = "System.Text.Encoding.CodePages"; version = "7.0.0"; sha256 = "0sn6hxdjm7bw3xgsmg041ccchsa4sp02aa27cislw3x61dbr68kq"; })
+  (fetchNuGet { pname = "System.Text.Encoding.Extensions"; version = "4.3.0"; sha256 = "11q1y8hh5hrp5a3kw25cb6l00v5l5dvirkz8jr3sq00h1xgcgrxy"; })
+  (fetchNuGet { pname = "System.Text.Encodings.Web"; version = "7.0.0"; sha256 = "1151hbyrcf8kyg1jz8k9awpbic98lwz9x129rg7zk1wrs6vjlpxl"; })
+  (fetchNuGet { pname = "System.Text.Json"; version = "7.0.2"; sha256 = "1i6yinxvbwdk5g5z9y8l4a5hj2gw3h9ijlz2f1c1ngyprnwz2ivf"; })
+  (fetchNuGet { pname = "System.Text.RegularExpressions"; version = "4.3.0"; sha256 = "1bgq51k7fwld0njylfn7qc5fmwrk2137gdq7djqdsw347paa9c2l"; })
+  (fetchNuGet { pname = "System.Threading"; version = "4.3.0"; sha256 = "0rw9wfamvhayp5zh3j7p1yfmx9b5khbf4q50d8k5rk993rskfd34"; })
+  (fetchNuGet { pname = "System.Threading.Tasks"; version = "4.3.0"; sha256 = "134z3v9abw3a6jsw17xl3f6hqjpak5l682k2vz39spj4kmydg6k7"; })
+  (fetchNuGet { pname = "System.Threading.Tasks.Extensions"; version = "4.3.0"; sha256 = "1xxcx2xh8jin360yjwm4x4cf5y3a2bwpn2ygkfkwkicz7zk50s2z"; })
+  (fetchNuGet { pname = "System.Threading.Tasks.Extensions"; version = "4.5.4"; sha256 = "0y6ncasgfcgnjrhynaf0lwpkpkmv4a07sswwkwbwb5h7riisj153"; })
+  (fetchNuGet { pname = "System.Threading.ThreadPool"; version = "4.3.0"; sha256 = "027s1f4sbx0y1xqw2irqn6x161lzj8qwvnh2gn78ciiczdv10vf1"; })
+  (fetchNuGet { pname = "System.Threading.Timer"; version = "4.3.0"; sha256 = "1nx773nsx6z5whv8kaa1wjh037id2f1cxhb69pvgv12hd2b6qs56"; })
+  (fetchNuGet { pname = "System.ValueTuple"; version = "4.5.0"; sha256 = "00k8ja51d0f9wrq4vv5z2jhq8hy31kac2rg0rv06prylcybzl8cy"; })
+  (fetchNuGet { pname = "System.Windows.Extensions"; version = "5.0.0"; sha256 = "0q776jpacfjmps4sc6gjvqj89w1ynj41hb0lvqmfl3j221lsfdbz"; })
+  (fetchNuGet { pname = "System.Xml.ReaderWriter"; version = "4.3.0"; sha256 = "0c47yllxifzmh8gq6rq6l36zzvw4kjvlszkqa9wq3fr59n0hl3s1"; })
+  (fetchNuGet { pname = "System.Xml.XDocument"; version = "4.3.0"; sha256 = "08h8fm4l77n0nd4i4fk2386y809bfbwqb7ih9d7564ifcxr5ssxd"; })
+  (fetchNuGet { pname = "TinyPinyin.Net"; version = "1.0.2"; sha256 = "1f71xv8891gq5fsw89zq0n85hhxpc5pkh5ykwvigqpwb1s4zpx3w"; })
+  (fetchNuGet { pname = "Tmds.DBus.Protocol"; version = "0.15.0"; sha256 = "0d99kcs7r9cp6gpyc7z230czkkyx4164x86dhy0mca73f2ykc2g2"; })
+  (fetchNuGet { pname = "ToolGood.Words.Pinyin"; version = "3.1.0"; sha256 = "19jpdbwclknc7wxpdrazq4pjgspzkzkzj0s9hxqksajx6pzgawhx"; })
+  (fetchNuGet { pname = "UTF.Unknown"; version = "2.5.1"; sha256 = "0giks1ww539m4r5kzdyzkq0cvfi5k50va9idjz93rclgljl96gpl"; })
+  (fetchNuGet { pname = "Vortice.DirectX"; version = "2.4.2"; sha256 = "11yjyvyz922z1ygl8gxmdym3918df12nl7xxry4pdjpl8is33qic"; })
+  (fetchNuGet { pname = "Vortice.DXGI"; version = "2.4.2"; sha256 = "17vsnm9ca6nqk3f1dfpfvd6i6fp8x8v41bn65rchrzwcv1zzi6pz"; })
+  (fetchNuGet { pname = "Vortice.Mathematics"; version = "1.4.25"; sha256 = "0vl6g087disxyzskvkbnwym74s47lkza0ly3nk4y0y88zibcggrj"; })
+  (fetchNuGet { pname = "WanaKana-net"; version = "1.0.0"; sha256 = "197qklph8hzrihalpi0kx4n9sf94xnhywzscisnlsxybxxdjz79z"; })
+  (fetchNuGet { pname = "xunit"; version = "2.4.2"; sha256 = "0barl6x1qwx9srjxnanw9z0jik7lv1fp6cvmgqhk10aiv57dgqxm"; })
+  (fetchNuGet { pname = "xunit.abstractions"; version = "2.0.3"; sha256 = "00wl8qksgkxld76fgir3ycc5rjqv1sqds6x8yx40927q5py74gfh"; })
+  (fetchNuGet { pname = "xunit.analyzers"; version = "1.0.0"; sha256 = "0p4f24c462z49gvbh3k4z5ksa8ffa6p8abdgysqbbladl96im4c5"; })
+  (fetchNuGet { pname = "xunit.assert"; version = "2.4.2"; sha256 = "0ifdry9qq3yaw2lfxdll30ljx1jkyhwwy3ydw6gd97y3kifr3k60"; })
+  (fetchNuGet { pname = "xunit.core"; version = "2.4.2"; sha256 = "1ir029igwm6b571lcm6585v5yxagy66rwrg26v4a1fnjq9dnh4cd"; })
+  (fetchNuGet { pname = "xunit.extensibility.core"; version = "2.4.2"; sha256 = "1h0a62xddsd82lljfjldn1nqy17imga905jb7j0ddr10wi8cqm62"; })
+  (fetchNuGet { pname = "xunit.extensibility.execution"; version = "2.4.2"; sha256 = "0r9gczqz4bc59cwl6d6wali6pvlw210i97chc1nlwn2qh383m54p"; })
+  (fetchNuGet { pname = "xunit.runner.visualstudio"; version = "2.4.5"; sha256 = "0y8w33ci80z8k580pp24mfnaw1r8ji0w3az543xxcz6aagax9zhs"; })
+  (fetchNuGet { pname = "YamlDotNet"; version = "13.1.0"; sha256 = "1mqgg0m1mr8vmcz24miagmf1s2b4mmm5mbsf1p0d7cippficiiaz"; })
+]
diff --git a/pkgs/applications/audio/openutau/update.sh b/pkgs/applications/audio/openutau/update.sh
new file mode 100755
index 000000000000..d073923c933a
--- /dev/null
+++ b/pkgs/applications/audio/openutau/update.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p bash curl nix jq common-updater-scripts
+
+set -euo pipefail
+
+nixpkgs="$(git rev-parse --show-toplevel || (printf 'Could not find root of nixpkgs repo\nAre we running from within the nixpkgs git repo?\n' >&2; exit 1))"
+
+stripwhitespace() {
+    sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'
+}
+
+nixeval() {
+    nix --extra-experimental-features nix-command eval --json --impure -f "$nixpkgs" "$1" | jq -r .
+}
+
+nixbuildscript() {
+    nix --extra-experimental-features nix-command build --impure -f "$nixpkgs" "$1" --no-link --print-out-paths
+}
+
+findpath() {
+    path="$(nix --extra-experimental-features nix-command eval --json --impure -f "$nixpkgs" "$1.meta.position" | jq -r . | cut -d: -f1)"
+    outpath="$(nix --extra-experimental-features nix-command eval --json --impure --expr "builtins.fetchGit \"$nixpkgs\"")"
+
+    if [ -n "$outpath" ]; then
+        path="${path/$(echo "$outpath" | jq -r .)/$nixpkgs}"
+    fi
+
+    echo "$path"
+}
+
+attr="${UPDATE_NIX_ATTR_PATH:-openutau}"
+version="$(curl -sSL "https://api.github.com/repos/stakira/OpenUtau/releases/latest" | jq -r .tag_name | sed -e 's|^build/||')"
+
+pkgpath="$(findpath "$attr")"
+
+updated="$(cd "$nixpkgs" && update-source-version "$attr" "$version" --file="$pkgpath" --print-changes | jq -r length)"
+
+if [ "$updated" -eq 0 ]; then
+    echo 'update.sh: Package version not updated, nothing to do.'
+    exit 0
+fi
+
+(cd "$(dirname "$pkgpath")" && "$(nixbuildscript "$attr.fetch-deps")" "$(dirname "$pkgpath")/deps.nix")
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index bb0227923c81..e89b93998622 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31860,6 +31860,8 @@ with pkgs;
 
   muzika = callPackage ../applications/audio/muzika { };
 
+  openutau = callPackage ../applications/audio/openutau { };
+
   pattypan = callPackage ../applications/misc/pattypan {
     jdk = jdk.override { enableJavaFX = true; };
   };