LAUNCH·INDEX
LNCH1,007+7.6%
Gemini 4 Argon plays St…HN228▲+42Jockey by TwelveLabsPH412▲+36WonderhopHN100▲+41Harness by AutonomousPH326▲+26FakeipediaHN29▲+27Tesla RoadsterPH244▲+25SignWithPH213▲+19Stoke MoneyHN29▲+8DottrPH120▲+9FlipflopHN140▲+5Muse Spark OpenPH84▲+7Camera Controls and Mot…HN9▲+5PomeradoPH171▲+6Fly a Tesla Roadster ov…HN8▲+4Memory ChessPH120▲+5rStationHN53▲+3Nemotron 3.5 Super VLPH77▲+5Things to Do APIHN6▲+2Tetriz HarnessPH67▲+5Netsat, a shared intern…HN3▲+2Hintly for Google Meet™PH132▲+3Guitoro, a virtual guit…HN570▲+1iKnowMyMacPH62▲+3UnfencedHN311▲+1

Experimental: traction = early-adopter votes (PH) / points (HN), not downloads or usage; updated about once a day and frozen ~31–36h after launch on Product Hunt (7 days on Show HN); sectors come from keyword rules (~70–75% accurate); data starts Oct 3 (HN) / Oct 9 (PH). “—” means not enough data; nothing is estimated. How it works

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A Walkable O'Neill Cylinder in the Browser

PRODProductivity·HNShow HN
Visit product ↗
70 (0.0%)

points · traction gained Oct 10, 16:19 UTC → Oct 11, 15:36 UTC

Traction frozen — tracking ended at 148h after listing. Show HN votes are re-read for ~168h.

comments

12d

listed Oct 5, 11:32 UTC

Traction (points) over time

0510Oct 6Oct 8Oct 10Oct 12Oct 14Oct 16ListedTracking endedNo readings after tracking ended; traction stays at the last recorded valueOct 10, 11:16 UTC · 7 points · 8 comments · 120h after listingOct 10, 16:19 UTC · 7 points · 8 comments · 125h after listingOct 11, 15:36 UTC · 7 points · 8 comments · 148h after listing
3 readings (one per daily ingest run). Dots are recorded values; lines just connect them — nothing in between is measured.

Key statistics

Traction
7points
Comments
Rank in PROD this week
—not listed in the last 7 days
Rank overall this week
—
Sector hit rate
2.6%2/76 · 7D
Traction line
Below10+ points
First reading
7Oct 10, 11:16 UTC
Last reading
7Oct 11, 15:36 UTC
Readings
3over 148h

Launch-day race · #8 of 144 Show HN launches on 2026-10-05

  1. #6Sideloop8 points
  2. #7SoldStack8 points
  3. #8A Walkable O'Neill Cylinder in the Browser7 points
  4. #9HyperCMD, write CLI applications using plain HTML7 points
  5. #10Invofox6 points
All launches on 2026-10-05 →

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A Walkable O'Neill Cylinder in the Browser on Launch Index
<a href="https://launchindex.ai/product/731" target="_blank"><img src="https://launchindex.ai/badge/731" alt="A Walkable O'Neill Cylinder in the Browser on Launch Index" height="54" /></a>

Discussion HNHacker News·8 comments

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How comments are shown
  • Same layout for Show HN and Product Hunt, converted to plain text (formatting removed, links kept).
  • Times are in your local time; hover a time for the exact date.
  • Top-level comments first, oldest first, each followed by its direct replies (indented one level).
  • Product Hunt comments by the product's makers are labelled “Maker”.
  • Fetched live from the original site (cached ~15 min), never stored here. Long comments are excerpts — the full text and thread are on the original site.

Others in this sector · top Show HN launches in Productivity by traction, last 7 days

All Productivity stocks →

Data as of Oct 17, 2026, 12:21 PM UTC. Sector comes from keyword rules on the title and tagline and can be wrong. How it works