MoneyScience Financial Intelligence Network

This wide-ranging site is devoted an "open-access resource for academics and practitioners working in finance and economics, physics, applied mathematics and computing." Rather than a peer-reviewed journal, they see themselves as an aggregator for research and writings in their area. They offer numerous features: links to articles and blogs, calls for papers, a wiki, a forum, and other features. It is run by Jacob Bettany, who used to be the publisher of Quantitative Finance.