SelfGDL is a “detailed reference of all known GDL commands”. It’s still in the process of translation from German so we can expect some errors in grammar but my hat is off to the authors for the work they’re putting it. Now maybe I should start learning GDL a bit…
Link: SelfGDL

ObjectDCL is an open source tool which runs inside AutoCAD (2000+) allowing you to easily create professional-looking dialog boxes for AutoLISP and VLisp routines.
Download from: ObjectDCL

You will, of course, have noticed that the news pages look different from the rest of this site. That’s because after months of trying to get the site working on the new template, I’ve realised that I don’t have the time to do it all in one shot - so I’m doing it one section [...]

C|NET reports that a company based in Ohio, USA has created interior lighting systems that consume just one-third the energy compared to the average fluorescent system. In addition, it is said to emit neither heat nor UV light and won’t leak mercury if broken. Although the systems are expensive at the moment, they are expected [...]