Cost / License
- Free Personal
- Proprietary
Platforms
- Mac
- Windows
- Linux
- BSD

LispWorks is the most popular Windows, Mac & Linux alternative to Lem.
LispWorks is the most popular free alternative to Lem.
- LispWorks is Free Personal and Proprietary
Lem is described as 'Cross-platform and highly extensible Common Lisp editor/IDE' and is a IDE in the development category. There are three alternatives to Lem for Windows, Linux, BSD and Mac. The best Lem alternative is LispWorks. It's not free, so if you're looking for a free alternative, you could try LispWorks or LispIDE.

LispWorks is the most popular Windows, Mac & Linux alternative to Lem.
LispWorks is the most popular free alternative to Lem.
LispIDE is a basic graphical shell for several Lisp and Scheme implementations available for Windows. LispIDE seems to work with: Corman Common Lisp, Steel Bank Common Lisp, CLISP, Gnu Common Lisp, Gambit Scheme, Bigloo Scheme, SCM Scheme, Arc, newLISP, OpenLisp, Clozure Common...

Allegro CL is the most powerful dynamic object-oriented development system available today, and is especially suited to enterprise-wide, complex application development. Complex applications with billions of objects are now made easy with Allegro CL 9.0.