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
Open Peeps - A hand-drawn illustration library.
Zoho Desk - Industry's first context-aware Helpdesk Software
Control Illustrations - 108 free flat illustrations with customizable characters
Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.
DrawKit - MIT licensed SVG illustrations, in 2 styles