UseResponse - Open-source, self-hosted customer feedback software, live chat and helpdesk system that you can install on your server. Organize documentation using knowledge base and get feedback from social networks with centralized system
tutoit.io - Create an in-app measurable tutorial with a single click
UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.
Kialo - Kialo is the platform for rational debate. Empowering reason through friendly and open discussions.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Cohere - A powerful way to visually demonstrate ideas and connect ideas together