diff --git a/Formula/muscle.rb b/Formula/muscle.rb
new file mode 100644
index 0000000000..5445c2f8a9
--- /dev/null
+++ b/Formula/muscle.rb
@@ -0,0 +1,14 @@
+require 'formula'
+
+class Muscle < Formula
+  url 'http://www.drive5.com/muscle/downloads3.8.31/muscle3.8.31_src.tar.gz'
+  homepage 'http://www.drive5.com/muscle/'
+  md5 'f767f00fd15f0c5db944d41936779e10'
+  version '3.8.31'
+
+  def install
+    Dir.chdir "src"
+    system "make"
+    bin.install "muscle"
+  end
+end