Listed below (in alphabetical order) are work-at-home sites for consideration.
www.freelancer.com (formerly getafreelancer.com)
www.vWorker.com (formerly rentacoder.com)
There are certainly others, but these offer jobs for writers and data entry assignments, not just for computer programming or other similar high tech jobs.
For these sites, you can sign up for free, post a profile and start applying for jobs right away!