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List Horizon
Track your progress through the best Science Fiction books
last checked Jul 13, 2026 · Unknown
CohortClass of 2017What it is
Track your progress through the best Science Fiction books. — List Horizon is an app that helps you sort through the best Science Fiction novels since the 1950s as decided by the Hugo and Nebula award bodies. You can also view associated media such as audiobooks, movies, tv shows, and Pinterest posts, as well as track your reading stats. [Books]
HTTP liveness
12 probes since Jun 12Jun 12Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 12, 2026First probe — unverifiedUnknown
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Pulse Indexobserved activity
12 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2017weekly
13,497 products launched in 2017 · 100% still active
13,462 active35 sunset
Still active
100%
Median lifespan
4.9y