is a useful user-friendly document organizer that enables you to create
your own hierarchical trees for storing information such as documents,
notes, and images.
You may try out Maple without any costs for the period of 30 days. If you wish to keep on using it after this period, you should purchase a license.
Registration gains access to the some advanced features:
The price per single-user license is US$ 23.95.
If you purchasing or upgrading multiple copies of Maple, then you can save through special volume pricing.