I use three computers, and it looks like I’ll soon be adding a laptop into the mix as well. Google Browser Sync has been an essential tool for me for a long time now. It has kept my Firefox installs in sync, and has allowed be to continue working on other machines seamlessly. I was quite surprised to find it has been pulled by Google (see http://www.google.com/tools/firefox/browsersync/).
More Google Browser Sync alternatives?

I’ve always found syncing calendars to be troublesome at best. I used a Palm III years ago, and even the software that Palm supplied was hard to set up and buggy as hell. Most sync tools nowadays assume you’re using Outlook, but if you’re using Google Calendar you probably aren’t. The whole point with “GCal” is that it’s the web 2.0 alternative to Microsoft’s horrible PIM.

Now that I run my own company, I have to have my appointments handy at all times. I hate those bundled stacks of paper that some people use to jot down their schedule, so syncing my calendar of choice suddenly became a priority. unfortunately, Google does not offer something similar to their brilliant mobile gmail software to access your GCal. While googling for solutions I found two interesting options.
More Sync your Google Calendar with your phone