Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Issuetrak - Issue tracking software for help desk and customer service
HelpDocs - Educate your users with a super simple knowledge base that’s built for teams just like yours.
AzureDesk - Azuredesk.co is an online customer service software and support ticket help desk application for small business and fast-growing companies. Get a free trial today!
phpMyFAQ - phpMyFAQ is a world’s most popular mobile-friendly, feature-rich and open-sources FAQ software that uses PHP 5.
Deskun - Deskun is a Help Desk system inside Gmail. It enables you to support customers directly from your mailbox, manage projects, and use free features for Gmail.