Why we picked it: TeamGantt is Gantt-chart-focused project management software, so an interactive Gantt view is included with all plans, including the free one, though its features are limited.
Full operating systems that are recommended by the FSF because they are exclusively free software. Hardware that supports free software Get information about hardware support for free software.
Mindomo offers a dedicated map mapping software platform, which includes a free version that allows the creation of up to 40 mind maps, limited to basic features.