Well, document management is free to move to the cloud.
But to the users it sure isn't (for many of commercial solutions). Consider (from the OP):
"According to the company's price list on-premise version of Knowledge Tree has an annual fee of $2,400 for a 20-user license at the basic level. The most basic SaaS version is $2,950 for 10 users, and is limited to 50 GB of storage"
What about small-time users? How about a small-sized offering?
But to the users it sure isn't (for many of commercial solutions). Consider (from the OP):
"According to the company's price list on-premise version of Knowledge Tree has an annual fee of $2,400 for a 20-user license at the basic level. The most basic SaaS version is $2,950 for 10 users, and is limited to 50 GB of storage"
What about small-time users? How about a small-sized offering?
Better yet: some open source solutions?