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Phosphor
Phosphor is a Mac application that emulates a CRT TV, playing video files with realistic CRT effects
verified Aug 26, 2026 · HTTP 200
CohortClass of 2026What it is
Phosphor is a Mac application that emulates a CRT TV, playing video files with realistic CRT effects. It simulates the electron beam, phosphor persistence, and other CRT characteristics. Phosphor is built with Swift and Metal for optimal performance.
HTTP liveness
7 probes since Jul 20Jul 20Aug 26
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 20, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
482/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%0.39
Tranco10%no data
Weighted observed activity · updated Aug 26
GitHub activitydaily 04:15 UTC
Last commit
1mo ago
Last release
1mo ago
Open PRs
0
Open issues
2
Contributors 30d
1
Closed 30d
0
Cohort survival · Class of 2026weekly
3,100 products launched in 2026 · 100% still active
3,100 active0 sunset
Still active
100%
Median lifespan
4.9y