Visual Understanding Environment - Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool.
Seva - Email campaigns for creators (previous named ConvertKit)
Flying Logic - Highly visual software for planning support used by strategists, process improvement specialists, teachers, and writers. Windows, Mac OS X, and Linux.
Kbee - Create a wiki in 5 minutes Kbee turns your Google Drive folders into a fast, searchable wiki for you and your team.
ThinkComposer - Software for create adaptable and multilevel diagrams, concept maps, mind maps and models
HelpCrunch Knowledge Base - Deliver instant answers to customers 24/7 with help articles