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
NationBuilder - The world's first platform for leaders, handcrafted from scratch to help you grow your community and lead them to action.
Zoho Desk - Industry's first context-aware Helpdesk Software
Crowded Communities - The all-in-one community platform.
Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.
Ning - Ning is the social platform for the worlds interests and passions online.