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Cerbrain
Cerbrain is a spaced-repetition learning platform for building and mastering knowledge lists across any subject—vocabulary, dates, historical figures, scientific concepts, and more
last checked Jul 13, 2026 · Timeout
CohortClass of 2026What it is
Cerbrain is a spaced-repetition learning platform for building and mastering knowledge lists across any subject—vocabulary, dates, historical figures, scientific concepts, and more. Teachers and opinion leaders can create communities around their expertise using integrated social tools.
HTTP liveness
11 probes since May 23May 23Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- May 23, 2026First probe — unverifiedTimeout
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Pulse Indexobserved activity
11 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y