The most recent version of Savitar is 1.6.3
Release date 13-November-2017
Savitar 1.6 runs on Intel Macs running Mac OS X 10.6.8 (Snow Leopard) up to the latest version of macOS (High Sierra). Release notes are here.
Savitar 1.5 runs on Intel Macs and PowerMac (PPC) G3s, G4s, and G5s running Mac OS X 10.4.11 (Tiger) to Mac OS X 10.5.8 (Leopard). Release notes are here.
Savitar 1.4 runs on PowerPC Macs running OS X 10.0.4 (Cheetah), 10.1.5 (Puma), 10.2.8 (Jaguar), and 10.3.9 (Panther). Release notes are here.
Savitar 1.3 runs on PowerPC Macs running System 8.6 and System 9. Release notes are here. It downloads as a .sit archive file. Use StuffIt Expander to open it.
You'll need to ensure CarbonLib version 1.6 or later is installed. You can download CarbonLib from Apple's web site here.
And for the venerable and prehistoric Macintoshes... we still support you too!
If you are running on a 68K processor Macintosh System 8.6 or 9, use Savitar 1.1. Release notes are here. It downloads as a .sit archive file. Use StuffIt Expander to open it.