What is the difference between NoSketch Engine and Sketch Engine?

NoSketch Engine

NoSketch Engine is an open source version of Sketch Engine with certain functionality limitations. NoSketch Engine does not support functionality related to:

NoSketch Engine must be downloaded, installed, hosted and administered by the user. Support is available via a NoSketch Engine Google group.

Sketch Engine

Sketch Engine is a commercial corpus management and corpus query software. Sketch Engine can be accesses via one of the subscription options. Sketch Engine functionality not included in NoSketch Engine:

Sketch Engine comes with support which is subject to the following Service Level Agreement.