diff --git a/lib/maintainers.nix b/lib/maintainers.nix
index ae38b7acf6aa..2bf60c585fc4 100644
--- a/lib/maintainers.nix
+++ b/lib/maintainers.nix
@@ -236,6 +236,7 @@
   mirdhyn = "Merlin Gaillard <mirdhyn@gmail.com>";
   modulistic = "Pablo Costa <modulistic@gmail.com>";
   mog = "Matthew O'Gorman <mog-lists@rldn.net>";
+  moosingin3space = "Nathan Moos <moosingin3space@gmail.com>";
   moretea = "Maarten Hoogendoorn <maarten@moretea.nl>";
   mornfall = "Petr Ročkai <me@mornfall.net>";
   MostAwesomeDude = "Corbin Simpson <cds@corbinsimpson.com>";
diff --git a/pkgs/development/tools/imatix_gsl/default.nix b/pkgs/development/tools/imatix_gsl/default.nix
new file mode 100644
index 000000000000..0def514dec58
--- /dev/null
+++ b/pkgs/development/tools/imatix_gsl/default.nix
@@ -0,0 +1,30 @@
+{ stdenv, fetchFromGitHub, pcre } :
+
+stdenv.mkDerivation rec {
+    name = "imatix_gsl";
+    version = "4.1";
+    src = fetchFromGitHub {
+    	owner = "imatix";
+	repo = "gsl";
+	rev = "72192d0d9de17de08d9379602d6482b4e5d402d0";
+	sha256 = "1apy11avgqc27xlczyjh15y10qjdyqsqab1wrl2067qgpdiy58w7";
+    };
+
+    buildInputs = [ pcre ];
+
+    preBuild = ''
+    	cd src
+    '';
+
+    installFlags = "DESTDIR=$(out)";
+
+    meta = with stdenv.lib; {
+    	 license = licenses.gpl3Plus;
+	 homepage = "https://github.com/imatix/gsl";
+	 description = ''
+	     A universal code generator
+	 '';
+	 platforms = platforms.unix;
+	 maintainer = [ maintainers.moosingin3space ];
+    };
+}
\ No newline at end of file
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1254917f08e5..278da1c06384 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16677,4 +16677,6 @@ in
   golden-cheetah = qt5.callPackage ../applications/misc/golden-cheetah {};
 
   tomb = callPackage ../os-specific/linux/tomb {};
+
+  imatix_gsl = callPackage ../development/tools/imatix_gsl {};
 }