Apollo 0.1 Alpha 18

Apollo is a fre and easy to use, simple, user-friendly knowledge modelling application written in the Java programming language. 

Modeling is based around the basic primitives, such as classes, instances, functions, relations etc.

Internal model is build as a frame system according to the internal model of the OKBC protocol. Apollo does a full consistency check while editing.

Apollo is not bound to any knowledge representation language and can be adapted to support different storage formats via I/O plug-ins. 

Apollo's user interface has an open architecture ( view based ) and allows for implementation of additional views of the knowledge base.

Here are some key features of "Apollo":
Ссылка: http://apollo.o..oad/Apollo.zip