About.com: Drawing and Sketching - Offers tutorials and exercises for skill development. Includes articles, categorized links, and a forum.
Art School Online - Roger Elliott presents lessons on drawing portraits, drawing ships, perspective, digital art techniques and color theory.
Artgraphica - Free tutorials about drawing people and faces with charcoal. Art tutorials on CD are available for purchase.
Bet Borgeson Studio - Teaches the colored pencil medium and personal artistic growth through online courses. Includes a FAQ about technique and practice assignments.
The Bradley Gallery - Free pastel pencil demonstrations by Colin Bradley. Videos and lesson packs that include materials needed to create a drawing are available for purchase.
Clare Walker Leslie's Guide to Sketching Trees - Nature journal and tree drawing tutorial focusing on tree silhouettes, limbs, leaves, seasonal deciduous trees, and evergreen trees. Pages for your own sketches are included. [PDF]
Colored Pencil Techniques by Kristy Kutch - Artist and instructor gives a step-by-step demonstration of colored pencil techniques using the poppy flower as inspiration.
Draw Anyway - Short drawing tutorials for busy people by Myfanwy Nixon. Each lesson takes less than ten minutes.
Drawing Lessons - Illustrated drawing lessons aimed at students aged 9 to 14. Also includes tips for teachers.
Drawing on the Right Side of the Brain - Author Dr. Betty Edwards introduces her teaching technique, the theory behind it, exercises, workshops and materials.
Drawing Together - Excerpts from Heather Williams' book "Drawing as a Sacred Activity", artwork by the artist, creativity links, and free drawing lessons in pdf format.
Drawspace.com - Offers free and for purchase pdf drawing classes featuring Brenda Hoddinott's style of teaching. Classes include beginning, intermediate and advanced levels.
The Figure Drawing LAB - Detailed instruction on how to draw the human figure with graphics showing proportions of the human body, chiaroscuro and foreshortening.
Gesture - The Foundation of Figurative Art - Artist Rebecca Alzofon teaches the basics of gesture drawing through the drawing of a figure. Discusses the concepts of organizing a stick figure, projection and volume augmentation, and loosening up in order to capture expressive line.
How to Make Pen and Ink Drawings - Free step-by-step course on making pen and ink drawings from a photograph. Includes a gallery of illustrations by David Lawrence.
Learn How to Draw Books - Offers "Learn How to Draw" books that teach how to draw different animals and humans in different positions. Includes tips and free samples of drawing lessons.
Learn to Draw - Teaches drawing basics, how to draw portraits and how to draw caricatures. Some content is free and some access to the site must be paid for.
Portrait Art Tutorials - Lessons on drawing the face and head by J.R. Dunster. Also covers color theory for portraits, drawing techniques, and digital art.
Sketching Wild Birds - A slide show of bird drawing tips by artist Trevor Smith, author of "Sketching Wild Birds - A Practical Guide."