The 1.1.9 version of Silent Start for Mac is provided as a free download on our website. The program is included in System Tools. This Mac application was originally created by Tunabelly Software.
From the developer:
Silent Start silences the startup chime on your Mac. It's the perfect solution when working in an environment where it's important to be quiet. Nothing to configure, just run Silent Start and have it always available in the menu bar.
We love hearing from our customers, so please feel free to email anytime for support or comments at firstname.lastname@example.org. We do our best to answer within one business day.
You may want to check out more Mac applications, such as Pearl Silent Auction Bid Sheets, Silent Sifter - Organize Photos or Silent Sniper, which might be similar to Silent Start.