Just click a download button next to a product to start downloading the software. The software will start downloading immediately. When the download is complete, the software will appear automatically in your download folder (which is the desktop, unless you changed it).
All our products require Mac OS X, 10.4 (Tiger) or later. Yank and Sonar are not yet compatible with OS X 10.5 (Leopard). All products except Link Mapper are universal binaries that run natively on PowerPC or Intel Macs.