A great list kept fairly up to date. Be sure to read this review (below) to find some time saving tips on getting the best jobs.
This professional organization has a job list that occasionally highlights a writing or freelance position.
This board features all kinds of telecommuting jobs- it's one of the places to go when you are frustrated by all the "freelance" jobs that are locale-based.
A magazine-focused site with some freelance magazine positions in editorial. At times, regular freelance writing/remote jobs and gigs are posted.
WAHM.com lists remote/telecommute jobs from Craigslist. You'll find all kinds of jobs here, not solely freelance writing jobs.
Write Jobs is a combination of full time and project/freelance jobs, with additions popping up about once per week. Read the review below for more on the opportunites at Write Jobs.
A hidden treasure- remember, the more traffic it gets, the more competition you have.
This is a board-based listing with fairly good leads.