Zen Flowchart

According to its own statements, Zen Flowchart is the simplest online software for creating flowcharts, mind maps, wireframes, whiteboards, organization charts, and more. The shape library provides users with all flowchart symbols and countless shapes, so that all types of diagrams can be created. With Zen Flowchart, users can also collaboratively work on diagrams. The tool is available in four plans: Free, Pro, Team, and Enterprise. Prices start at $5.90 per month when billed annually.