CK-12 FlexBook 2.0
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VisitCK-12 FlexBook 2.0 vs Kallipos
What both publish
| Fact | CK-12 FlexBook 2.0 | Kallipos |
|---|---|---|
| Purpose | FlexBooks are customizable digital textbooks for K–12 subjects including science, math, and social studies. | KALLIPOS develops electronic textbooks, mainly for students and professors at Greek universities, and makes them freely available with open licenses through its digital repository. |
CK-12 FlexBook 2.0 plans
- CK-12 FlexBook 2.0Free
- FlexBook 2.0Free
Kallipos plans
No prices published.
Pick CK-12 FlexBook 2.0 if…
FlexBook 2.0 suits K–12 educators who want to adapt textbook chapters and assign lessons or practice to classes and differentiated groups. Students can use its lessons and adaptive practice, while the browser access supports a range of device types.
Pick Kallipos if…
Kallipos suits Greek university students, professors, and other eligible academic contributors seeking free textbooks or a structured publishing workflow.