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Popkern

open-source CAD kernel with G2 corner blends, browser IDE

DEVTDeveloper Tools·HNShow HN
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Breakout launch

Beat 95% of Show HN launches that day

#7 of 157 on Oct 28

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140 (0.0%)

points · traction gained Oct 30, 16:20 UTC → Oct 31, 15:35 UTC

Still tracked: re-read by each daily run while under ~168h old (window closes ~Nov 4, 12:26 UTC).

3

comments · buzz 0 in latest interval

5d

listed Oct 28, 12:26 UTC

Traction (points) over time

01020Oct 29Oct 30Oct 31ListedOct 28, 16:45 UTC · 3 points · 1 comments · 4h after listingOct 29, 16:38 UTC · 13 points · 3 comments · 28h after listingOct 30, 16:20 UTC · 14 points · 3 comments · 52h after listingOct 31, 15:35 UTC · 14 points · 3 comments · 75h after listing
4 readings (one per daily ingest run). Dots are recorded values; lines just connect them — nothing in between is measured.

Key statistics

Traction
14points
Comments
3
Rank in DEVT this week
#8of 151 HN
Rank overall this week
#43of 998 HN
Sector hit rate
5.2%8/155 · 7D
Traction line
Hit10+ points
First reading
3Oct 28, 16:45 UTC
Last reading
14Oct 31, 15:35 UTC
Readings
4over 75h

Grades · each graded against other Developer Tools launches from the same source

Momentum

C

+0 points

Traction gained in the latest daily interval

Better than 47% · vs 135 still-tracked Developer Tools · Show HN launches

Velocity

A

0.29 points/h

Votes per hour since listing (age capped at 48h)

Better than 94% · vs 621 Developer Tools · Show HN launches, last 30 days

Engagement

D

2.1 per 10 points

Comments per 10 points

Better than 31% · vs 44 Developer Tools · Show HN launches with 10+ points

Staying Power

B

4.7×

Votes at last reading ÷ votes at first reading

Better than 76% · vs 42 settled Developer Tools · Show HN launches with 10+ points

Launch-day race · #7 of 157 Show HN launches on 2026-10-28

  1. #5A Lego-like composable Framework for RSI18 points
  2. #6Squishy 3D helpers powered by Three.js16 points
  3. #7Popkern14 points
  4. #8I made an interactive Sakura tree that runs in the browser10 points
  5. #9Full Python 3.15 Implemented in 25k LoC C119 points
All launches on 2026-10-28 →

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Discussion

Read the 3 comments on Hacker News →

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

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Data as of Oct 31, 2026, 3:03 PM UTC. Sector comes from keyword rules on the title and tagline and can be wrong. How it works