National Instruments Corp.: LabVIEW
Home of LabVIEW dataflow visual programming language and environment. Customize PCs to measure and automate collecting data from the physical world, analyze data, and present it in easy-to-understand ways.
Mailing list, archive, link page with many resources.
Article with description, history, images. [Wikipedia]
LabVIEW Advanced Virtual Architects (LAVA)
Independent, community driven information on advanced LabVIEW programming concepts, with a knowledge base, FAQ, discussion forums, code downloads and developer blogs.
LabVIEW Virtual Instrument Library
Set of VIs developed for DelftChemTech; helpful information for programmers.
Top of this ring. Many good resources.