LispLink
An advanced text editor designed to use with all AutoCAD cutomization files.
CAE-Link Corporation
Visual LISP - A guide to Artful Programm
A how-to guide that shows you how to write good AutoCAD® program code the first time, by utilizing Phil Kreiker's Artful Programming API.
Looking Glass Microproducts
XLisp
Library of pre-assembled code, delivered to the public as an ARX or VLX extension to CAD, so that they don't have to suffer trying to re-invent the wheel when programming
XAct Software Solutions, Inc.
Xprotect
Programmers Tool: A simple LISP file encryptor for LISP Programmers seeking to protect their intellectual property when having to exporting their files to IntelliCAD, TurboCAD, etc.,
XAct Software Solutions, Inc.
