There are people who love to knit and crochet, but produce more sweaters, blankets, caps, and mittens than their friends and families can use. There are other folks who could benefit from some lovingly-crafted woolens for one reason or another. Organizations have arisen to connect generous and productive crafters with those who could really use their output. Maybe you would like to knit for one of them. Read about ten such charities in a list I posted at mental_floss.