Many of Stacks’ features are free to use on Mac, Windows, and Linux.
Stacks Professional offers advanced features like unlimited projects, unlimited folders and enables access to notes, and people. All these professional features can be unlocked with a one-time license purchase, no subscription plan required.
Stacks Enterprise has additional features for small and medium size company.
30 Days Money Back Guarantee! If you're not happy with the product, get a full refund within 30 days.