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WorldBrain (Re)search-Engine
Full-Text Search your Browsing History & Bookmarks — 'Research-Engine' is now Memex: 🔍Search, 📝Annotate and ⚡️Organize what you've read online - blazingly fast
verified Jul 14, 2026 · HTTP 200
CohortClass of 2017What it is
Full-Text Search your Browsing History & Bookmarks — 'Research-Engine' is now Memex: 🔍Search, 📝Annotate and ⚡️Organize what you've read online - blazingly fast. Check out its latest version here: https://www.producthunt.com/posts/memex-1-0 [Browser Extensions, Chrome Extensions, Productivity]
HTTP liveness
11 probes since Jun 16Jun 16Jul 14
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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VitalsQuiet
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Pulse Indexobserved activity
11 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