Add related projects section

docs/source/index.rst

@@ -12,15 +12,19 @@ C++ implementation of the Jupyter Kernel protocol
 Introduction
 ------------
 
-``xeus`` is a library meant to facilitate the implementation of kernels for Jupyter. It takes the burden of implementing the Jupyter Kernel protocol so developers can focus on implementing the interpreter part of the kernel.
+``xeus`` is a library meant to facilitate the implementation of kernels for
+Project Jupyter. It takes the burden of implementing the Jupyter Kernel
+protocol so developers can focus on implementing the interpreter part of the
+kernel.
 
 Licensing
 ---------
 
 We use a shared copyright model that enables all contributors to maintain the
 copyright on their contributions.
 
-This software is licensed under the BSD-3-Clause license. See the LICENSE file for details.
+This software is licensed under the BSD-3-Clause license. See the LICENSE file
+for details.
 
 .. toctree::
    :caption: INSTALLATION
@@ -33,3 +37,8 @@ This software is licensed under the BSD-3-Clause license. See the LICENSE file f
    :maxdepth: 2
 
    usage
+
+.. toctree::
+   :caption: MISCELLANEOUS
+
+   related

docs/source/related.rst

@@ -0,0 +1,65 @@
+.. Copyright (c) 2017, Johan Mabille, Loic Gouarin and Sylvain Corlay
+
+   Distributed under the terms of the BSD 3-Clause License.
+
+   The full license is in the file LICENSE, distributed with this software.
+
+.. raw:: html
+
+   <style>
+   h2 {
+        display: none;
+   }
+   </style>
+
+Related projects
+================
+
+xeus-cling
+----------
+
+.. image:: xeus-cling.svg
+   :alt: xeus-cling
+
+The `xeus-cling`_ project is a Jupyter kernel for the C++ programming language
+based on the Cling C++ interpreter from CERN and Xeus, the native
+implementation of the Jupyter protocol.
+
+.. image:: xeus-cling-screenshot.png
+   :alt: C++ notebook
+
+xwidgets
+---------
+
+.. image:: xwidgets.svg
+   :alt: xwidgets
+
+The xwidgets_ project is a C++ implementation of the Jupyter interactive
+widgets protocol. The Python reference implementation is available in the
+ipywidgets ipywidgets_ project.
+
+xwidgets enables the use of the Jupyter interactive widgets in the C++
+notebook, powered by the xeus-cling kernel and the cling C++ interpreter from
+CERN. xwidgets can also be used to create applications making use of the
+Jupyter interactive widgets without the C++ kernel per se.
+
+.. image:: xwidgets-screencast.gif
+   :alt: xwidgets screencast
+
+JuniperKernel
+-------------
+
+.. image:: juniper.png
+   :alt: JuniperKernel
+
+The JuniperKernel_ project is a Jupyter kernel for the R programming language
+built with Xeus and Rcpp_.
+
+.. image:: rwidgets-screenshot.png
+   :alt: rwidgets screenshot
+
+.. _xeus-cling: https://github.com/QuantStack/xeus-cling
+.. _xwidgets: https://github.com/QuantStack/xwidgets
+.. _JuniperKernel: https://github.com/JuniperKernel/JuniperKernel
+.. _Rcpp: https://github.com/RcppCore/Rcpp
+.. _ipywidgets: https://github.com/jupyter-widgets/ipywidgets

include/xeus/xcomm.hpp

@@ -9,7 +9,6 @@
 #ifndef XCOMM_HPP
 #define XCOMM_HPP
 
-#include <iostream>
 #include <functional>
 #include <list>
 #include <map>