Domestika is one of the best online learning platforms for art and illustration, with a long list of courses taught by an international community of professional illustrators and designers. Here are some of the best courses Domestika offers in sketching, drawing and illustration. (Affiliate links)
This is a fun and useful beginner's course, with a project that's challenging but not too hard.
Sketchbook Drawing Techniques for Beginners with Lobón Leal
Webcomics are a good way to practice a lot of drawing skills, and Sol Diaz Castillo is an excellent teacher.
Creating an Autobiographical Webcomic with Sol Díaz Castillo
Making comics is a fun and challenging way to combine drawing and storytelling. Alec Longstreth is a pro who guides you through the whole process.
Autobiographical Comic Book with Alec Longstreth
This course focuses on making art with graphite pencils, and it's very beginner friendly.
Visual Storytelling with Graphite for Beginners with Siames Escalante
This course draws from fantasy art and imagination while teaching students how to combine graphite and watercolor for stunning illustrations.
Fantasy Drawings in Graphite and Watercolor with Iris Compiet
This course by Spanish illustrator Cecilia Ruiz is one of my favorites.
Illustrated Picturebooks: Create Poetic Vignette Imagery with Cecilia Ruiz
Drawing with a pen can be intimidating, but Marco Mazzoni reminds us that mistakes can create opportunities, too.
Sketchbook Illustration with Pen with Marco Mazzoni
Drawing and sketching can promote mindfulness and ease stress-and drawing flowers and plants is an easy way to begin.
Botanical Sketchbooking: A Meditative Approach with Lapin
I learned more about drawing people from this class than from any other I've taken. Tom Fox's gentle guidance helps you see the structure of the figure without a lot of anatomy lessons.
Basic Principles of Drawing People from Imagination with Tom Fox
Daily sketching can inspire other kinds of creative projects too. This course by Sorie Kim shows you how to incorporate a daily sketch habit into your life.
Daily Sketching for Creative Inspiration with Sorie Kim
Graphite and ink aren't the only ways to sketch. In this course Felix Scheinberger shows you how to use watercolors for casual, expressive sketching.
Artistic Watercolor Sketching: Dare to Express Your Ideas with Felix Scheinberger
Want to sketch but don't know where to begin? In this course, Mattias Adolfsson shows you how to create detailed sketches that come to life on the page.
Creative Sketching: Fill Your Illustrations with Life and Detail with Mattias Adolfsson
Sketching buildings and other architectural forms can help you see forms and shapes more clearly and work out ideas on the page. You don't need to know anything about architecture to enjoy this course.
Architectural Sketching: Thinking with Pen and Paper with Saleh Alenzave
Domestika also offers specializations – collections of courses designed to develop a particular skill. The Sketching Techniques specialization brings together several courses taught by Domestika's best teachers for a single price.
Here's another course designed to help students start - and keep - a daily sketchbook habit, with exercises and a fun final project.
Daily Sketchbook Drawing: Develop Your Artist's Eye with Alfonso De Anda
Digital sketching is another way to practice your drawing skills. Del Hambre shows how to use digital drawing tools to illustrate scenes from life and imagination.
Digital Sketchbook: Awaken Your Creativity with Del Hambre