diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 2ac6031e4a61..44db20ad8620 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -4948,6 +4948,14 @@
       fingerprint = "EE7D 158E F9E7 660E 0C33  86B2 8FC5 F7D9 0A5D 8F4D";
     }];
   };
+  donteatoreo = {
+    name = "DontEatOreo";
+    github = "DontEatOreo";
+    githubId = 57304299;
+    keys = [{
+      fingerprint = "33CD 5C0A 673C C54D 661E  5E4C 0DB5 361B EEE5 30AB";
+    }];
+  };
   doriath = {
     email = "tomasz.zurkowski@gmail.com";
     github = "doriath";
diff --git a/pkgs/by-name/cs/csharprepl/package.nix b/pkgs/by-name/cs/csharprepl/package.nix
new file mode 100644
index 000000000000..d6fccd57ea61
--- /dev/null
+++ b/pkgs/by-name/cs/csharprepl/package.nix
@@ -0,0 +1,22 @@
+{ buildDotnetGlobalTool, dotnetCorePackages, lib }:
+
+buildDotnetGlobalTool {
+  pname = "csharprepl";
+  nugetName = "CSharpRepl";
+  version = "0.6.6";
+
+  dotnet-sdk = dotnetCorePackages.sdk_8_0;
+  dotnet-runtime = dotnetCorePackages.runtime_8_0;
+
+  nugetSha256 = "sha256-VkZGnfD8p6oAJ7i9tlfwJfmKfZBHJU7Wdq+K4YjPoRs=";
+
+  meta = with lib; {
+    description = "C# REPL with syntax highlighting";
+    homepage = "https://fuqua.io/CSharpRepl";
+    changelog = "https://github.com/waf/CSharpRepl/blob/main/CHANGELOG.md";
+    license = licenses.mpl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ donteatoreo ];
+    mainProgram = "csharprepl";
+  };
+}