Personal Edition
Free
personal and educational use · heap size limit · 5-hour sessions · no application delivery
Checked 8 Oct 2026
Plans and prices
LispWorks pricing
Enterprise Edition
Priced on request
Professional features · Common SQL database interfaces · LispWorks ORB · KnowledgeWorks and embedded Prolog · 32-bit and 64-bit licenses sold separately
Checked 8 Oct 2026
HobbyistDV Edition
Priced on request
individual use only · non-commercial, non-business and non-academic · runtime executables and libraries allowed for non-commercial use
Checked 8 Oct 2026
Hobbyist Edition
Priced on request
individual use only · non-commercial, non-business and non-academic · 32-bit and 64-bit licenses sold separately
Checked 8 Oct 2026
Professional Edition
Priced on request
commercial Common Lisp development and application delivery · 32-bit and 64-bit licenses sold separately · no runtime license fees
Checked 8 Oct 2026