New section: conference management tools (#836)

* New section: conference management tools

* Fix Problems

Fix the problems highlighted by @AndyR207.

README.md

@@ -30,6 +30,7 @@ See [Contributing](#contributing).
     - [XMPP](#xmpp)
       - [XMPP Servers](#xmpp-servers)
       - [XMPP Web Clients](#xmpp-web-clients)
+  - [Conference Management](#conference-mangement)
   - [Content Management Systems (CMS)](#content-management-systems-cms)
     - [E-commerce](#e-commerce)
   - [DNS](#dns)
@@ -386,6 +387,17 @@ _[Extensible Messaging and Presence Protocol](https://en.wikipedia.org/wiki/XMPP
     * [Libervia](http://wiki.goffi.org/wiki/Libervia/en) - Web frontend from Salut à Toi. ([Source Code](http://repos.goffi.org/libervia)) `AGPLv3` `Python`
 
 
+## Conference Management
+
+**[`^        back to top        ^`](#)**
+
+  * [Conference Organizing Distribution (COD)](http://usecod.com/) - Create conference and event websites built on top of Drupal. ([Source Code](http://cgit.drupalcode.org/cod)) `GPL` `PHP`
+  * [frab](https://frab.github.io/frab/) - web-based conference planning and management system. It helps to collect submissions, to manage talks and speakers and to create a schedule. ([Source Code](https://github.com/frab/frab)) `MIT` `Ruby`
+  * [Open Conference Systems (OCS)](https://pkp.sfu.ca/ocs/) - is a free Web publishing tool that will create a complete Web presence for your scholarly conference. ([Demo](https://pkp.sfu.ca/ocs/ocs_demo/), [Source Code](https://github.com/pkp/ocs)) `GPL` `PHP`
+  * [OpenConferenceWare](http://openconferenceware.org/) - An open source web application for supporting conference-like events. This customizable, general-purpose platform provides proposals, sessions, schedules, tracks, user profiles. ([Source Code](https://github.com/osbridge/openconferenceware)) `MIT` `Ruby`
+  * [osem](http://osem.io/) - Event management tailored to free Software conferences. ([Demo](http://demo.osem.io/), [Source Code](https://github.com/openSUSE/osem)) `MIT` `Ruby`
+
+  
 ## Content Management Systems (CMS)
 
 **[`^        back to top        ^`](#)**