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Personal Edition Limitations Please note that the LispWorks Personal Edition, distributed free of charge, has the following intentional limitations: There

Personal Edition Limitations Please note that the LispWorks Personal Edition, distributed free of charge, has the following intentional limitations: There is a heap size limit which, if exceeded, causes the image to exit. A warning is provided when the limit is approached. There is a time limit of 5 hours for each session, after which LispWorks Personal exits, possibly without saving your work or performing cleanups such as removing temporary files. You are warned after 4 hours of use. The functions save-image, deliver, and load-all-patches are not available. Initialization files are not loaded." And it is not popular because ...

Guthur 4y ago
There is a multitude of very effective free CL implementations.
- dreamcompiler 4y ago
  One big deal about Lispworks is that it comes with a nice GUI creation toolkit. If you need to write a program with a GUI, it's easy with Lispworks and difficult with the free implementations.
mepian 4y ago
You can get SBCL for free with no limitations which actually beats Lispworks on performance AFAIK: https://www.sbcl.org/ https://www.sbcl.org/
- PeterStuer 4y ago
  Not around the time where it mattered. I loved Lisp, but when our lab moved to an x86 architecture it was Allegro big bucks or nothing. I was referring to the above pestering of the user base, not that there aren't alternatives.
whartung 4y ago
I used this at work for months. When it quit, I just reloaded and kept going. It was for some local tooling work I was doing. I never ran into any of the limitations save the timeout, which for me was no big deal. I already owned a version at home for myself (it was, like $249 or something at the time), but this was also a time where folks still paid for software. Not everything was done on Linux with GCC, although Java was free at the time. A year before this I had my previous company pony up the $$$$ for Delphi's Enterprise edition (whatever it was called). That was a lot more than LW was. I contemplated getting Franz, but I never wanted to call for a quote, and they didn't publish prices. But I know they were expensive as well. Smalltalk, Lisp, Delphi, Visual Studio, everything cost money. And though Java was free, lots of folks were selling IDEs for it. I used Emacs back in the day, and we paid silly amounts of $$$$ for WebLogic.

Guthur 4y ago

There is a multitude of very effective free CL implementations.

dreamcompiler 4y ago
One big deal about Lispworks is that it comes with a nice GUI creation toolkit. If you need to write a program with a GUI, it's easy with Lispworks and difficult with the free implementations.

mepian 4y ago

You can get SBCL for free with no limitations which actually beats Lispworks on performance AFAIK: https://www.sbcl.org/ https://www.sbcl.org/

PeterStuer 4y ago
Not around the time where it mattered. I loved Lisp, but when our lab moved to an x86 architecture it was Allegro big bucks or nothing. I was referring to the above pestering of the user base, not that there aren't alternatives.

whartung 4y ago

I used this at work for months. When it quit, I just reloaded and kept going. It was for some local tooling work I was doing. I never ran into any of the limitations save the timeout, which for me was no big deal. I already owned a version at home for myself (it was, like $249 or something at the time), but this was also a time where folks still paid for software. Not everything was done on Linux with GCC, although Java was free at the time. A year before this I had my previous company pony up the $$$$ for Delphi's Enterprise edition (whatever it was called). That was a lot more than LW was. I contemplated getting Franz, but I never wanted to call for a quote, and they didn't publish prices. But I know they were expensive as well. Smalltalk, Lisp, Delphi, Visual Studio, everything cost money. And though Java was free, lots of folks were selling IDEs for it. I used Emacs back in the day, and we paid silly amounts of $$$$ for WebLogic.