adding mention of datahub.io to tools

Author: gbinal

Diff for: index.md

@@ -86,11 +86,13 @@ This section is a list of ready-to-use solutions or tools that will help agencie
 
 4-16 [DataVizWiz](https://drupal.org/project/datavizwiz) - A [Drupal](http://drupal.org) module that provides a fast way to get data vizualizations online.
 
-4-17 [Esri Geoportal Server](https://github.com/Esri/geoportal-server/) - Open source catalog supporting ISO/FGDC/DC/... metadata with mapping to DCAT to support agency.gov/data.json listings in addition to providing [OGC CSW](http://www.opengeospatial.org/standards/cat), [OAI-PMH](http://www.openarchives.org/pmh/) and [OpenSearch](http://www.opensearch.org). Supports automated harvesting from other open catalog sources.
+4-17 [Datahub.io](http://datahub.io/) - A service offered by the Open Knowledge Foundation that allows  civic bodies to host data publicly for free. 
 
-4-18 [Libre Information Batch Restructuring Engine](https://github.com/commonwealth-of-puerto-rico/libre) - Open data conversion and API tool, created by the Office of the Chief Information Officer of the Commonwealth of Puerto Rico.
+4-18 [Esri Geoportal Server](https://github.com/Esri/geoportal-server/) - Open source catalog supporting ISO/FGDC/DC/... metadata with mapping to DCAT to support agency.gov/data.json listings in addition to providing [OGC CSW](http://www.opengeospatial.org/standards/cat), [OAI-PMH](http://www.openarchives.org/pmh/) and [OpenSearch](http://www.opensearch.org). Supports automated harvesting from other open catalog sources.
 
-4-19 [JSON-to-CSV Converter](http://konklone.io/json/) - A handy means of converting data.json files to a spreadsheet-friendly format.  A [similar tool](http://shancarter.github.io/mr-data-converter/) can provide basic CSV-to-JSON functionality.
+4-19 [Libre Information Batch Restructuring Engine](https://github.com/commonwealth-of-puerto-rico/libre) - Open data conversion and API tool, created by the Office of the Chief Information Officer of the Commonwealth of Puerto Rico.
+
+4-20 [JSON-to-CSV Converter](http://konklone.io/json/) - A handy means of converting data.json files to a spreadsheet-friendly format.  A [similar tool](http://shancarter.github.io/mr-data-converter/) can provide basic CSV-to-JSON functionality.
 
 ----------------