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Omnibook
A social platform for writing and producing books
last checked Jul 10, 2026 · HTTP 403
CohortClass of 2015What it is
A social platform for writing and producing books. [Web App, Tech]
HTTP liveness
8 probes since Jun 16Jun 16Jul 10
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — unverifiedCloudflare block
Moat
Network effects
moderate
Each additional user makes the product more valuable to other users.
moderate · 0.80 confidence
Text classification · Jul 2026
Discussion 0 comments
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Pulse Indexobserved activity
8 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2015weekly
12,940 products launched in 2015 · 100% still active
12,899 active41 sunset
Still active
100%
Median lifespan
4.9y