Description of Resource: 
XL is a general purpose extensible programming language. The key word is extensible: XL can safely be extended through libraries and compiler plug-ins, in ways that are very difficult or limited with languages such as C++ or Java. This makes XL a good tool for concept programming.
Address: 
United States
Is there a fee: 
No
Sector: 
Public or private: 
Public
Website or physical archive: 
Website only