diff --git a/pkgs/tools/misc/webcat/default.nix b/pkgs/tools/misc/webcat/default.nix
new file mode 100644
index 00000000000..d67c02a4021
--- /dev/null
+++ b/pkgs/tools/misc/webcat/default.nix
@@ -0,0 +1,30 @@
+{ lib, buildGoModule, fetchFromGitea, asciidoctor, installShellFiles }:
+
+buildGoModule rec {
+  pname = "webcat";
+  version = "unstable-2021-09-06";
+
+  src = fetchFromGitea {
+    domain = "codeberg.org";
+    owner = "rumpelsepp";
+    repo = "webcat";
+    rev = "57a65558f0affac0b2f8f4831c52964eb9ad5386";
+    sha256 = "15c62sjr15l5hwkvc4xarfn76341wi16pjv9qbr1agaz1vqgr6rd";
+  };
+
+  vendorSha256 = "1apnra58mqrazbq53f0qlqnyyhjdvvdz995yridxva0fxmwpwcjy";
+
+  nativeBuildInputs = [ asciidoctor installShellFiles ];
+
+  postInstall = ''
+    make -C man man
+    installManPage man/webcat.1
+  '';
+
+  meta = with lib; {
+    homepage = "https://rumpelsepp.org/blog/ssh-through-websocket/";
+    description = "The lightweight swiss army knife for websockets";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ montag451 ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0a4d06d73eb..c6881cc43da 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31587,6 +31587,8 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
+  webcat = callPackage ../tools/misc/webcat { };
+
   websocat = callPackage ../tools/misc/websocat {
     inherit (darwin.apple_sdk.frameworks) Security;
   };