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Brewster
Brewster is a social address book designed to help you organize and manage professional relationships
since Jun 16, 2026 · HTTP 200
CohortClass of 2013What it is
Brewster is a social address book designed to help you organize and manage professional relationships. It intelligently aggregates contact information from multiple sources, providing a unified view of your network.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 20, 2026Redirected offsiteRedirected offsite
- Jun 19, 2026Probe inconclusiveTimeout
- Jun 16, 2026First probe — redirectedRedirected offsite
Discussion 0 comments
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2013weekly
453 products launched in 2013 · 96% still active
437 active16 sunset
Still active
96%
Median lifespan
4.9y