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Vivaldi Calendar
A browser-integrated calendar application designed for managing busy schedules with privacy-focused features
verified Jul 13, 2026 · HTTP 200
CohortClass of 2026What it is
A browser-integrated calendar application designed for managing busy schedules with privacy-focused features. Users can quickly add or update events with minimal clicks and customize their view through multiple layout options. The tool emphasizes flexibility and accessibility directly within the browser environment.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
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
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y