You can't miss them if you spend any time in the stores during the holiday season: the Salvation Army bell ringers. And since so many of us are shopping online, the Salvation Army's set up shop there as well.
It's also good practice to check out anybody who wants you to make a donation online. Do your homework. One warning, it takes a lot of clicks to get where you're going, they could have simplified that a little.
Let's get to our part of the country, and the interesting stuff, a very futuristic spin on the traditional Salvation Army Giving Tree. It's online now, so you can click an age group, get a list of appropriate gifts, and actually buy it right on line. They'll send it to brighten up a child's Christmas.