Make the distinction between messaging and application more clear

XWiki provides technical support for on premise Free Software version

AFAIK, Talend only provides commercial support for proprietary derivative software

AFAIK, only proprietary derivative software is commercially supported. See https://www.talend.com/download/talend-open-studio/

Updated support URL

AFAIK, commercial support is only provided for proprietary derivative software or online version. See https://www.odoo.com/pricing

AFAIK, commercial support is only provided for proprietary derivative software. See https://www.mongodb.com/products/mongodb-enterprise-advanced

AFAIK, commercial support is only available for proprietary derivative software and not for the Free Software version. See https://magento.com/sites/default/files/Magento_EE_Customer_Support_Guide_April_2017.pdf

AFAIK, commercial support is only provided for a derivative proprietary software as it is explained here implicitely https://www.bluemind.net/en/purchasing-bluemind/ - unless this page explains that the AGPL version is commercialy supported too, we can not consider that commercial support exists for the AGPL version

AFAIK, Apple does not provide commercial support contract for the swift language

Add URL to wikipedia and openhub

Define more clearly that commercial support should be available to Free Software that can be downloaded, not to a proprietary derivative work

Add links to Free Software definition and license list