We publish a substitute list only where a record says what kind of product it is. cocalc.com's does not yet, so this page names none. The Notebooks & Data Science category lists every offer we track alongside it.
Current cocalc.com Situation
Risk Level:source unconfirmed
Why: The page we cite for cocalc.com states no amount, tier or rate we can read when we last looked, on 2026-10-22. We are not publishing a stability judgement for it until that is fixed.