Best open source help desk: Zendesk & Help Scout alternative
Tango | Create beautiful step-by-step guides with screenshots, in seconds
Spaceli — Turn Google Docs into a knowledge base
Bubbles: Video and Screenshot Collaboration
VIDEOASK - A ridiculously simple way to get feedback (A Typeform experiment)
Refreshing Cloud Business Software | SaaS | Freshworks Inc.
HelpCrunch - Intelligent Customer Communication Platform
Buffer Reply | Buffer Reply | SocialChat
Project Management, Help Desk & Chat Software - Teamwork.com
The 100% FREE live chat application for your website!
Crisp | Customer Messaging For Startups
Zotabox - Increase your online sales
Help Desk Software HESK - a free PHP help desk
Simple Online Help Desk Software by Groove
Intercom | Communicate personally with every single customer
Desk.com The Social Help Desk
Open source live support - Mibew Web Messenger
Conversocial | Social Media Management System