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@@ -645,7 +645,8 @@ on MNIST digits[DEEP LEARNING]
 * [Featureforge](https://github.com/machinalis/featureforge) A set of tools for creating and testing machine learning features, with a scikit-learn compatible API
 * [MLlib in Apache Spark](http://spark.apache.org/docs/latest/mllib-guide.html) - Distributed machine learning library in Spark
 * [scikit-learn](http://scikit-learn.org/) - A Python module for machine learning built on top of SciPy.
-* [SimpleAI](https://github.com/simpleai-team/simpleai) Python implementation of many of the artificial intelligence algorithms described on the book "Artificial Intelligence, a Modern Approach". It focuses on providing an easy to use, well documented and tested library.
+* [metric-learn](https://github.com/all-umass/metric-learn) - A Python module for metric learning. 
+* [SimpleAI](http://github.com/simpleai-team/simpleai) Python implementation of many of the artificial intelligence algorithms described on the book "Artificial Intelligence, a Modern Approach". It focuses on providing an easy to use, well documented and tested library.
 * [astroML](http://www.astroml.org/) - Machine Learning and Data Mining for Astronomy.
 * [graphlab-create](http://graphlab.com/products/create/docs/) - A library with various machine learning models (regression, clustering, recommender systems, graph analytics, etc.) implemented on top of a disk-backed DataFrame.
 * [BigML](https://bigml.com) - A library that contacts external servers.
@@ -708,6 +709,7 @@ on MNIST digits[DEEP LEARNING]
 * [vincent](https://github.com/wrobstory/vincent) - A Python to Vega translator.
 * [d3py](https://github.com/mikedewar/d3py) - A plottling library for Python, based on [D3.js](http://d3js.org/).
 * [ggplot](https://github.com/yhat/ggplot) - Same API as ggplot2 for R.
+* [ggfortify](https://github.com/sinhrks/ggfortify) - Unified interface to ggplot2 popular R packages.
 * [Kartograph.py](https://github.com/kartograph/kartograph.py) - Rendering beautiful SVG maps in Python.
 * [pygal](http://pygal.org/) - A Python SVG Charts Creator.
 * [PyQtGraph](https://github.com/pyqtgraph/pyqtgraph) - A pure-python graphics and GUI library built on PyQt4 / PySide and NumPy.