Free learning resources

Tutorials, notes, case studies, assignments, interview guides, and our blog — all free, all written by the same practitioners who teach our courses.

Tutorials

Step-by-step guides

Hands-on, project-based tutorials that walk you through a real skill in one sitting — no fluff, just working code and clear explanations.

Quick-reference cheat sheets

Concise revision notes and cheat sheets for fast recall before an exam, interview, or when you just need a syntax refresher.

Real project breakdowns

Deep dives into how real products and systems were built — architecture decisions, trade-offs, and the mistakes teams learned from.

Practice problem sets

Graded practice problems and mini-projects with starter files and solutions, so you can test what you've learned before it's tested for you.

Land the offer

Question banks, sample answers, and preparation frameworks pulled from real hiring loops at the companies our instructors came from.

Articles & insights

Career advice, technical deep dives, and the learning science behind skills that stick — from our instructors and team.

0+ free resources and articles — new ones added every week.