Collaborate with the gvSIG project. Any contribution is very good for the project, and it helps to make gvSIG sustainable and allows it to continue growing. For contributions you can access here.
All-included version (recommended):
RUN (Linux 64 bits) (589 MB)
RUN (Linux 32 bits) (586 MB)
MAC OS X 64 bits: Only portable version.
ZIP (Linux 64 bits) (437 MB)