diff --git a/pkgs/applications/version-management/gitless/default.nix b/pkgs/applications/version-management/gitless/default.nix
new file mode 100644
index 000000000000..2b93a95e45ae
--- /dev/null
+++ b/pkgs/applications/version-management/gitless/default.nix
@@ -0,0 +1,26 @@
+{ fetchFromGitHub, pythonPackages, stdenv }:
+
+pythonPackages.buildPythonApplication rec {
+  ver = "0.8.5";
+  name = "gitless-${ver}";
+
+  src = fetchFromGitHub {
+    owner = "sdg-mit";
+    repo = "gitless";
+    rev = "v${ver}";
+    sha256 = "1v22i5lardswpqb6vxjgwra3ac8652qyajbijfj18vlkhajz78hq";
+  };
+
+  propagatedBuildInputs = with pythonPackages; [ sh pygit2 clint ];
+
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    homepage = http://gitless.com/;
+    description = "A version control system built on top of Git";
+    license = licenses.gpl2;
+    platforms = platforms.all;
+    maintainers = [ maintainers.cransom ];
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 15db26e0e4d1..e4f77e32b2bb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -603,6 +603,8 @@ with pkgs;
 
   git-fire = callPackage ../tools/misc/git-fire { };
 
+  gitless = callPackage ../applications/version-management/gitless/default.nix { };
+
   grc = callPackage ../tools/misc/grc { };
 
   green-pdfviewer = callPackage ../applications/misc/green-pdfviewer {