Start with open lessons
Explore beginner paths, selected guides, glossaries, and practical previews without signing in.
Explore free contentLearn for free.
Unlock deeper practice.
The public library stays useful and generous. Advanced simulations, assessments, and certificates can be unlocked with an ad pass, a friend voucher, or a paid pass—without forcing everyone to create an account.
Four ways to learn
The access model is designed to feel fair, recoverable, and beginner-friendly—not like a surprise paywall.
Watch an ad
Later, a completed rewarded ad can activate a temporary pass and recovery code.
Redeem a voucher
Owner, friend, class, and promo vouchers can unlock selected courses or the full library.
Redeem nowBuy a pass
Course and library passes will fund more guides, simulations, QA, and beginner-friendly updates.
See planned passesBuilt as a real product
Also a living portfolio.
Learning design
Plain-language lessons, realistic simulations, guided practice, and visible progress.
Product engineering
Cloudflare Pages Functions, signed access cookies, D1 vouchers, server-side route protection, and recoverable access.
Growth and marketing
Free previews, premium pilots, access choices, SEO-friendly landing pages, and future payment/ad integrations.