The 'Download Now' link yields the Mac OS X 10.5 version, see 'Related Links' below on this page for the Mac OS X 10.4 version.
DESCRIPTION
GRASS GIS, commonly referred to as GRASS (Geographic Resources Analysis Support System), is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies.
CHRIS MAWER Thanks to the new mirrors - good speeds. And thank you, Lorenzo Moretti, for your hard work and your patience with all the negative comments.
GRASS itself is powerful and this distribution makes installation a snap. Good work! (Version 040630)
ANONYMOUS As indicated by several other folks, what's the point of offering software, free or otherwise, if it can't be downloaded. The Developer should heed the advice of those suggesting alternative sites to make this software available.
It's not possible to review software you can't even download to try out. I'll go back to getting GRASS from the original site. (Version 040618)
MIT.EDU All the developer needs to do is submit it to the MIT HyperArchive which has been around forever, no self-respecting Mac developer or user should be unaware of this resource...
download/bandwidth problem solved. (Version 040618)