GCG Documentation (requires account)

GCG Manual
Full GCG documentation in HTML format. This is probably the best general reference documentation for GCG software.

GCG Users Guide
A how-to guide that is perhaps the best way to learn GCG.

GCG Help
Help for each GCG program

SeqLab Documentation (requires account)

SeqLab Guide
SeqLab Tutorial
SeqLab is a graphical user interface to the comprehensive set of programs in GCG.

This website will look much better in a browser that supports web standards, but it has been designed so that it is still usable and accessible to any browser or web-enabled device.