Retirementjobs.com: Features more than 30,000 postings from companies specifically looking for candidates older than 50.
WorkForce50.com: You can browse salaries by sector and position. Need to update your skills? Most positions come with a list of recommended schools.
YourEncore.com: Connects retired scientists, developers and engineers with companies that offer consulting assignments lasting up to one year.
Enrge.us: Assists federal, state and local government workers looking to remain in their respective fields after retirement. Employers include venture capitalists and government contractors.