diff --git a/pkgs/tools/backup/dedup/default.nix b/pkgs/tools/backup/dedup/default.nix
new file mode 100644
index 000000000000..fdeacf91dd04
--- /dev/null
+++ b/pkgs/tools/backup/dedup/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, fetchurl, lz4, snappy, openmp }:
+
+stdenv.mkDerivation rec {
+  pname = "dedup";
+  version = "1.0";
+
+  src = fetchurl {
+    url = "https://dl.2f30.org/releases/${pname}-${version}.tar.gz";
+    sha256 = "0wd4cnzhqk8l7byp1y16slma6r3i1qglwicwmxirhwdy1m7j5ijy";
+  };
+
+  makeFlags = [
+    "CC:=$(CC)"
+    "PREFIX=${placeholder "out"}"
+    "MANPREFIX=${placeholder "out"}/share/man"
+    # These are likely wrong on some platforms, please report!
+    "OPENMPCFLAGS=-fopenmp"
+    "OPENMPLDLIBS=-lgomp"
+  ];
+
+  buildInputs = [ lz4 snappy openmp ];
+
+  meta = with stdenv.lib; {
+    description = "data deduplication program";
+    homepage = https://git.2f30.org/dedup/file/README.html;
+    license = with licenses; [ bsd0 isc ];
+    maintainers = with maintainers; [ dtzWill ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e8d047466498..d40b9905e05b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1331,6 +1331,10 @@ in
 
   ddate = callPackage ../tools/misc/ddate { };
 
+  dedup = callPackage ../tools/backup/dedup {
+    inherit (llvmPackages) openmp;
+  };
+
   dehydrated = callPackage ../tools/admin/dehydrated { };
 
   deis = callPackage ../development/tools/deis {};