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@@ -1,29 +1,34 @@
+## Other Related Open Source Implementations
+
 ### VRP
 
-#### [Chris Groer's VRPH library](https://sites.google.com/site/vrphlibrary/)
-An open source library for solving the capacitated vehicle routing problem written in C++.
-
-#### [OptaPlanner](https://www.optaplanner.org/)
-OptaPlanner is a lightweight, embeddable planning engine written in Java™. It can be used to solve the capacitated vehicle routing problem (with time windows). 
-
-#### [Open-VRP](https://github.com/mck-/Open-VRP)
-Open-VRP is a framework to model and solve various vehicle routing problems. 
-
-#### [VROOM](https://github.com/jcoupey/vroom)
-VROOM is an optimization engine written in C++14 that aim at providing good solutions to various real-life vehicle routing problems within a small computing time. It is free software, distributed under the term of the GNU General Public License V3.
-
 #### [Hipster4j](http://www.hipster4j.org/)
 Hipster is an easy to use yet powerful and flexible type-safe library for heuristic search, written in pure Java. It relies on a flexible model with generic operators to define search problems. So you can also model and solve vehicle routing problems.
 
+#### [Open-VRP](https://github.com/mck-/Open-VRP)
+Open-VRP is a framework to model and solve various vehicle routing problems. 
+
+#### [OptaPlanner](https://www.optaplanner.org/)
+OptaPlanner is a lightweight, embeddable planning engine written in Java™. It can be used to solve the capacitated vehicle routing problem (with time windows). 
+
+#### [OR-Tools](https://developers.google.com/optimization/)
+Google Optimization Tools (OR-Tools) is a fast and portable software suite for solving combinatorial optimization problems, including the VRP. Open-source, written in C++ and available through SWIG for Python, Java, and .NET (using Mono on non-Windows platforms). You can compile OR-Tools on Linux, Mac OS X, and Windows (with Visual Studio).
+
 #### [OscaR](https://bitbucket.org/oscarlib/oscar/wiki/Home)
 OscaR, an Open Source Toolbox for Optimising Logistics and Supply Chain Systems.
 
+#### [VROOM](https://github.com/jcoupey/vroom)
+VROOM is an optimization engine written in C++14 that aim at providing good solutions to various real-life vehicle routing problems within a small computing time. It is free software, distributed under the term of the GNU General Public License V3.
+
+#### [VRPH library](https://sites.google.com/site/vrphlibrary/)
+An open source library by Chris Groer for solving the capacitated vehicle routing problem written in C++.
+Now hosted by [coin-or](https://projects.coin-or.org/VRPH)
+
 ### Territory Design
 
 #### [OpenDoorLogistics](http://www.opendoorlogistics.com)
 Open Door Logistics Studio is an easy-to-use
 standalone open source application for performing geographic analysis of your customer base and sales territory design, mapping and management.
 
-
-
+### Other implementations
 If you know another promising open source implementation, report it.