diff --git a/pkgs/applications/science/astronomy/gravit/default.nix b/pkgs/applications/science/astronomy/gravit/default.nix
new file mode 100644
index 000000000000..3e6ebc29519a
--- /dev/null
+++ b/pkgs/applications/science/astronomy/gravit/default.nix
@@ -0,0 +1,41 @@
+{ stdenv, fetchurl, SDL, SDL_ttf, SDL_image, mesa }:
+
+let
+  name = "gravit-0.4.2";
+in
+stdenv.mkDerivation {
+  inherit name;
+
+  src = fetchurl {
+    url = "http://gravit.slowchop.com/dist/${name}.tar.gz";
+    sha256 = "f37f3ac256a4acbf575f709addaae8cb01eda4f85537affa28c45f2df6fddb07";
+  };
+
+  buildInputs = [mesa SDL SDL_ttf SDL_image];
+
+  configureFlags = "CFLAGS=-O3 CXXFLAGS=-O3";
+
+  postInstall = ''
+    mv $out/etc/gravit $out/share/gravit/sample-config
+    rmdir $out/etc
+  '';
+
+  meta = {
+    homepage = "http://gravit.slowchop.com";
+    description = "A beautiful OpenGL-based gravity simulator";
+    license = "GPLv2";
+
+    longDescription = ''
+          Gravit is a gravity simulator which runs under Linux, Windows and
+      Mac OS X. It uses Newtonian physics using the Barnes-Hut N-body
+      algorithm. Although the main goal of Gravit is to be as accurate
+      as possible, it also creates beautiful looking gravity patterns.
+      It records the history of each particle so it can animate and
+      display a path of its travels. At any stage you can rotate your
+      view in 3D and zoom in and out.
+    '';
+
+    platforms = stdenv.lib.platforms.all;
+    maintainers = [ stdenv.lib.maintainers.simons ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7e297ebbd538..4d0624216882 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -752,6 +752,8 @@ let
     inherit (gtkLibs) pango;
   };
 
+  gravit = callPackage ../applications/science/astronomy/gravit { };
+
   groff = callPackage ../tools/text/groff {
     ghostscript = null;
   };