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CoCalc vs Observable:
a side-by-side comparison for 2025

Comparing two data science notebooks.

A screenshot of CoCalc
CoCalc logo

CoCalc

Your best choice for teaching remote scientific courses.
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A screenshot of Observable
Observable logo

Observable

Make sense of the world with data, together. Explore, visualize, and analyze data. Collaborate with the community. Learn and be inspired. Share insights with the world.
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