• Stanford Encyclopedia of Philosophy
  A first class resource for studying philosophy. It is my go to for looking things up.
• PhilPapers.org
  PhilPapers is a comprehensive index and bibliography of philosophy maintained by the community of philosophers.
• Getting Started in Philosophy
  Resources recommended by philosophers for getting started in philosophy.
• Talking Philosophy with Kids (subscription based-$45 per/yr)
  Everything you need to start philosophizing with children: ‘How-to’ guides, session plans, concept activities, reasoning exercises, p4c curricula for primary schools, key concepts for secondary schools, original stories and dialogues, picture book recommendations and support materials.
• OpenCulture.com: Free Philosophy Courses
  Over two hundred free philosophy courses from the world's leading universities.
• The Internet Philosophy Ontology Project
  They offer a variety of tools for students, researchers, programmers and scholars. The ontology currently covers philosophical ideas, thinkers, and journals.

Video Resources:

• Dr. Gregory Sadler
  Over 1300 videos on philosophy. The quality is excellent.
• European Graduate School Video Lectures
  The official video channel for the Division of Philosophy, Art & Critical Thought (PACT) at the European Graduate School / EGS with over 1800 videos.
• Wireless Philosophy
  Learn about Philosophy with professors from Yale, Stanford, Oxford, MIT, and more! 130+ animated videos. An official Khan Academy Partner.
• Philosophy in Ten Minutes (Youtube Playlist)
  Brief introductions to Sartre, Nietzsche, Camus, Rogers, Maslow, Heidegger, Buber, Rollo May, Dostoevsky's Notes from the Underground, and Husserl & the Adventure of Phenomenology by Eric Dodson.
• flame0430
  The Bryan Magee Philosophy Interviews (and other videos - 181 videos total).
• Rick Roderick
  Video lectures by Rick Roderick with transcripts of those lectures.