Option A
Learn a language for free.
Duolingo is the world's most popular language-learning app, with gamified lessons in 40+ languages and 500M+ learners.
- Founder
- Luis von Ahn
- Founded
- 2011
- Team
- 500+
- Listing
- Free (nofollow)
- Listed
- May 2026
Option B
Frontend Masters
Education
Advance your skills with in-depth, modern frontend engineering courses.
Frontend Masters offers deep video courses on JavaScript, React, CSS, Node, and modern web fundamentals — taught by industry experts.
- Founder
- Marc Grabanski
- Founded
- 2012
- Team
- 11-50
- Listing
- Free (nofollow)
- Listed
- May 2026