Kallipos
5.8#22 in open educational resource platformsWeb
VisitKallipos vs OpenStax
What both publish
| Fact | Kallipos | OpenStax |
|---|---|---|
| Founded | 2013 | 2012 |
Kallipos plans
No prices published.
OpenStax plans
- OpenStax textbooksFree
- OpenStax AssignablePriced on request
Pick Kallipos if…
Kallipos suits Greek university students, professors, and other eligible academic contributors seeking free textbooks or a structured publishing workflow.
Pick OpenStax if…
OpenStax suits students seeking free introductory-course textbooks and educators who need course materials or LMS assignments. Some student features and a small number of titles require an account.