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HackMD
HackMD enables teams to collaboratively create and maintain technical documentation in markdown format with real-time editing capabilities
verified Jul 15, 2026 · HTTP 200
CohortClass of 2026What it is
HackMD enables teams to collaboratively create and maintain technical documentation in markdown format with real-time editing capabilities. It helps organizations capture ideas, preserve institutional knowledge, and formalize documentation workflows. The platform streamlines the process of turning informal notes into structured, accessible technical resources.
HTTP liveness
19 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 4, 2026Back onlineAlive · 200 OK
- Jun 24, 2026Probe inconclusiveTimeout
- Jun 16, 2026First probe — liveAlive · 200 OK
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VitalsQuiet
Upvotes
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Press
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Pulse Indexobserved activity
492/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.93
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y