Lynda.com

Lynda.com is a constantly growing library of over 2000 video courses and over 107,000 tutorials in streaming video format, and new material is added every week. Courses are offered at different skill levels in over 140 specialties. Subjects covered range from 3D + Animation; Audio; Business including Office and Google software; Design; Developer; Photography and Video; and Web and social media. Videos use screenshots, narration, live action, smart boards, charts and graphics, audio and include captioning.