general knowledge

Free general purpose text editor.

Test your knowledge of your iTunes songs.

Helps you practice your knowledge of any subject.

Construct, navigate, and share knowledge models as concept maps.

Portable, general-purpose CAS.

You know 'Economics 101' but are you prepared to put your knowledge?

Convert among all general video formats for free on PC.

Designed for creating and editing tests, followed by tests of knowledge.

innk is a Knowledge Composition Environment.

Convert between Gregorian and Hijri calendar systems