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

Evercontact - Your contacts always up to date and automatically with Evercontact.

Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.

CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses