diff --git a/pkgs/applications/networking/instant-messengers/toxcore/default.nix b/pkgs/applications/networking/instant-messengers/toxcore/default.nix
new file mode 100644
index 000000000000..0098ddb9d77a
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/toxcore/default.nix
@@ -0,0 +1,36 @@
+{ stdenv, fetchurl, autoconf, libtool, automake, libsodium, ncurses
+, libconfig, pkgconfig }:
+
+let
+  version = "31f5d7a8ab";
+  date = "20131011";
+in
+stdenv.mkDerivation rec {
+  name = "tox-core-${date}-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/irungentoo/ProjectTox-Core/tarball/${version}";
+    name = "${name}.tar.gz";
+    sha256 = "0frz8ylvi33i7zkiz3hp28ylqg4c3ffrbc2m3ibb4zv9rwfzf77r";
+  };
+
+  preConfigure = ''
+    autoreconf -i
+  '';
+
+  configureFlags = [ "--with-libsodium-headers=${libsodium}/include"
+    "--with-libsodium-libs=${libsodium}/lib" 
+    "--enable-ntox" ];
+
+  buildInputs = [ autoconf libtool automake libsodium ncurses libconfig
+    pkgconfig ];
+
+  doCheck = true;
+
+  meta = {
+    description = "P2P FOSS instant messaging application aimed to replace Skype with crypto";
+    license = "GPLv3+";
+    maintainers = with stdenv.lib.maintainers; [ viric ];
+    platforms = stdenv.lib.platforms.all;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 23c021001150..b24a4b2dc891 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8717,6 +8717,8 @@ let
     wrapPython = pythonPackages.wrapPython;
   };
 
+  tox_core = callPackage ../applications/networking/instant-messengers/toxcore { };
+
   transmission = callPackage ../applications/networking/p2p/transmission { };
   transmission_gtk = transmission.override { enableGTK3 = true; };