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Sumnotes
Sumnotes enables users to efficiently export and manage highlights extracted from PDF files
verified Jul 12, 2026 · HTTP 200
CohortClass of 2016What it is
Sumnotes enables users to efficiently export and manage highlights extracted from PDF files. The tool streamlines the process of collecting key information from documents for study, research, or knowledge management purposes.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
402/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.02
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2016weekly
13,657 products launched in 2016 · 100% still active
13,633 active24 sunset
Still active
100%
Median lifespan
4.9y