diff --git a/pkgs/tools/networking/ratman/default.nix b/pkgs/tools/networking/ratman/default.nix
new file mode 100644
index 00000000000..e2b2966f78b
--- /dev/null
+++ b/pkgs/tools/networking/ratman/default.nix
@@ -0,0 +1,41 @@
+{ lib
+, fetchurl
+, installShellFiles
+, libsodium
+, pkg-config
+, protobuf
+, rustPlatform
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "ratman";
+  version = "0.3.1";
+
+  src = fetchurl {
+    url = "https://git.irde.st/we/irdest/-/archive/${pname}-${version}/irdest-${pname}-${version}.tar.gz";
+    sha256 = "0x1wvhsmf7m55j9hmirkz75qivsg33xab1sil6nbv8fby428fpq6";
+  };
+
+  cargoSha256 = "1dkfyy1z34qaavyd3f20hrrrb3kjsdfkyzd535xlds9wivgchmd0";
+
+  nativeBuildInputs = [ protobuf pkg-config installShellFiles ];
+
+  cargoBuildFlags = [ "--all-features" "-p" "ratman" ];
+  cargoTestFlags = cargoBuildFlags;
+
+  buildInputs = [ libsodium ];
+
+  postInstall = ''
+    installManPage docs/man/ratmand.1
+  '';
+
+  SODIUM_USE_PKG_CONFIG = 1;
+
+  meta = with lib; {
+    description = "A modular decentralised peer-to-peer packet router and associated tools";
+    homepage = "https://git.irde.st/we/irdest";
+    platforms = platforms.unix;
+    license = licenses.agpl3;
+    maintainers = with maintainers; [ spacekookie yuka ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5c8c23a01d3..de442328506 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9116,6 +9116,8 @@ with pkgs;
 
   rarian = callPackage ../development/libraries/rarian { };
 
+  ratman = callPackage ../tools/networking/ratman { };
+
   ratools = callPackage ../tools/networking/ratools { };
 
   ratt = callPackage ../applications/misc/ratt { };