This company is a financial recruiting service (or head hunter). The site has a searchable database of accounting and other finance jobs. The site also has info on positions in demand, forecasts for hiring in accounting/finance, and salary analysis.
LinkedIn is a networking tool to connect with people you know, and the people they know. Use LinkedIn Jobs to see open positions, that relate to your profile, and see who you know at those companies or institutions.
The Michigan Electronic Library sponsors this site. It is free, but it is necessary to register. The Job and Career Accelerator allows you to find what careers suit your interests, "explore over 1,000 detailed occupation profiles, find jobs and internships prepare professional resumes and cover letters and organize, manage and track your entire application process online."