CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Idealist - Volunteer, work, and intern job search
YC Startup Class - A live, one-hour class by Sam Altman on Platzi
Idea Hunt - Solve specific challenges for your favorite products
Google Classroom - Learning management tool by Google
OpenVC - 2200+ VC firms by thesis to find 'best fit' for your startup