No. 0038
Courses GraphChinese Self-study Mandarin course for learners from zero, $49 one-time for lifetime access.
United States $196/mo
No. 0068
Courses PathPages Sells Notion templates for productivity, finance, and business organization, including free templates and a discounted complete bundle.
Location not stated $30K/mo
No. 0113
Courses Writing9 Web tool that checks IELTS Writing essays, flags grammar and clarity mistakes, and returns an estimated band score via subscription.
Spain $12K/mo
How these species earn: Courses & digital products (1) · Product sales (1) · Subscriptions (1). Income medians use only figures reported by founders or verified by a payment platform; see method.