The XLISP family

XLISP is a family of multi-platform LISP implementations originally written by David Betz but later forked by Tom Almy who had previously also ported the application to OS/2 and DOS and later renamed his version XLISP-PLUS and added a Microsoft Windows version. is a derivative of Xlisp 2.0 that continues to add Common Lisp features. Winterp is a derivative of XLISP-PLUS.

The core runtime is written in C while the rest is implemented in XLISP itself.

After 16 years of inactivity, Mr Almy suddenly kicked into life in early 2016 and created a new 3.05 version of XLISP-PLUS however the libraries will function with the 3.04 OS/2 version, and he has also created a new Windows version that will work under OS/2.

XLISP-STAT

A fork of Xlisp 2.1 with statistical additions

Version

• XLisp-Plus v3.04 (1999/01/09)
• XLisp v2.1 (1995/12/27)

Links

• XLisp-Plus v2.1 (1995/12/27)
• XLISP-Plus Homepage
• XLISP Homepage

Licence and availability

• Open source software
• Xlisp version 2.1 and later are released under the Four Clause BSD Licence, versions prior to that are in the public domain.

Author

• David Betz - Original Xlisp author
• Tom Almy Original porter of Xlisp to OS/2, maintainer of XLISP-PLUS