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+# Packages released on SimTK
+
+These packages were released in at https://simtk.org/projects/force_direction.
+
+# Content of packages
+
+Both packages include:
+
+1. the compiled plugin (.dll)
+2. a model used for example
+3. the users' guide.
+
+# Supported OpenSim version
+
+* 2012 package supports OpenSim 2.4
+* 2015 package supports OpenSim 3.3