Coggle produces hierarchically structured documents, like a branching tree.

Its authors promise that it will be "free forever"[1] although some features require a paid subscription.

[2] Coggle was voted among the top-5 mind-mapping applications by the readers of Lifehacker in April 2013,[4] three months after the website was first registered.

[5] Coggle has had a strong reception among the education community, praised for its simplicity[6] and ease of use[7] compared to other mind-mapping software.

PC World has criticized the visually simple user-interface for hiding too many elements, making advanced feature discovery difficult.