SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
NZBGet - The most efficient usenet downloader.
Zoho Desk - Industry's first context-aware Helpdesk Software
GrabIt - GrabIt is a free application that enables you to easily find and download content from Usenet news...
Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.