LispWorks 6.0.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of this software for Mac is LispWorks. The most popular version among LispWorks for Mac users is 6.0. The software lies within Developer Tools, more precisely IDE.
From the developer:
LispWorks for Macintosh is a full native implementation of ANSI Common Lisp for Mac OS X. There are two separately-licensed 32-bit and 64-bit products.
LispWorks is source code compatible across platforms. So when your program runs in LispWorks for Macintosh, porting it to Windows, Linux or another platform should be a breeze, even for a graphical application.
You may want to check out more software for Mac, such as LispWorks Personal, which might be related to LispWorks.
IDE