OpenCyc is the open source version of the Cyc technology, the world's largest and most complete general knowledge base and commonsense reasoning engine. OpenCyc can be used as the basis for a wide variety of intelligent applications.
| Tags | Scientific/Engineering Artificial Intelligence |
|---|---|
| Licenses | LGPL |
| Operating Systems | POSIX Linux |
| Implementation | C Lisp Java |
Recent releases


Changes: This release adds a planner and an ontology grapher.


Changes: Includes 9,000 commonsense terms having 100,000 facts relating them, and the interface to browse/edit them. You can teach new facts/rules to OpenCyc and ask it questions coded in CycL, its logical language.