penciled

Quiet signal

Highlight and take notes on any web page, kept locally

Launched 4d ago

Signal

Velocity

What this means

+42%Launching in a 42% WoW growing category.

Chrome Extensions had 61 launches this week vs 43 last.

10Founder Conviction Index: 10 — low signal.

Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.

Prediction

Top-5 finish probability

today

Projected end-of-day votes

2range 2–3

Trajectory

stable

Vote pace holding steady.

Speed vs peers

0.7×

11 Productivity launches

About

Select text on any website, pick a color, add a note. Your highlights come back when you return. Everything stays in your browser: no account, no servers, no network requests. Export to Markdown anytime. Free and MIT-licensed, for Chrome, Firefox and Edge.

AI Summary

Penciled is an open-source browser extension that allows users to highlight text and add notes on web pages, with all data stored locally. It supports Chrome, Firefox, and Edge, and offers Markdown export functionality.

Attention & discussion velocity

Performance

Velocity0

Vote pace vs average

Momentum0

Sustained over 6h

Virality0

Spread × engagement

Engagement—

not measured

Signal sources

2 of 6 active

Launch tracking8 readings since we picked it up
AI analysisProductivity
Comment intelligencethread not yet analysed
Outside discussionnot checked — domain is a storefront or shared
Revenue signalsno match on this domain
Editorial scoringbelow the signal threshold for this pass

A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.