Why Support Tethyra?
Tethyra is free to use — built by students, for students.
Your support helps us:
Host high-quality content
Develop new features like 1v1 battles
Reach more learners worldwide
Every dollar helps us grow and stay independent.
Support This Site
Tethyra is a free learning platform built by students, for students. Every donation helps us grow, add new features like ranked battles and achievements, and keep education accessible to all. If you believe in gamified, community-powered learning — consider supporting us. Even a single coffee helps. 💙 Thank you for being part of the journey.