diff --git a/pkgs/tools/misc/slsnif/default.nix b/pkgs/tools/misc/slsnif/default.nix
new file mode 100644
index 000000000000..cc9f1f6f0dc2
--- /dev/null
+++ b/pkgs/tools/misc/slsnif/default.nix
@@ -0,0 +1,17 @@
+args:
+args.stdenv.mkDerivation {
+  name = "slsnif-0.4.4";
+
+  src = args.fetchurl {
+    url = mirror://sourceforge/slsnif/slsnif-0.4.4.tar.gz;
+    sha256 = "0gn8c5hj8m3sywpwdgn6w5xl4rzsvg0z7d2w8dxi6p152j5b0pii";
+  };
+
+  buildInputs =(with args; []);
+
+  meta = { 
+      description = "serial line sniffer";
+      homepage = http://slsnif.sourceforge.net/;
+      license = "GPLv2";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b56d283961db..b3c011ff6fe1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1073,6 +1073,10 @@ let pkgs = rec {
     inherit stdenv perl;
   };
 
+  slsnif = import ../tools/misc/slsnif {
+    inherit fetchurl stdenv;
+  };
+
   smartmontools = import ../tools/system/smartmontools {
     inherit fetchurl stdenv;
   };