One piece of software I can’t live without on my Powerbook is Sidetrack. All current Mac laptops have a nifty feature built into their trackpad. Drag two fingers along its surface and you can scroll in that direction. Seeing as there is no scroll wheel, it’s mighty handy. Not all of us have a recent enough Mac to do this.
Sidetrack doesn’t give the same functionality. Rather, it creates hotzones that you can drag a single finger through to scroll. For example, the right edge of my trackpad allows me to scroll vertically while the bottom edge gives me horizontal scrolling. I feel lost without it the moment it’s not there. Sidetrack 1.6 was released yesterday, completing Leopard compatibility. The beta has performed stupendously for me and I’m glad it’s been released final version.
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Array bhai. You don't need Sidetrack, a paid app, to get two finger scrolling clicking.
iScroll2 is a free open source driver that does the exact same thing. And it has been working on Leopard since November...
http://iscroll2.sourceforge.net/
Forgot to mention the URL in case anyone is interested.