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Markets
  • Signal Feed
  • Startups
  • Categories
  • Founders
  • Revenue
  • Beyond the launch
Intelligence
  • Content Desk
  • Editorial QA
  • Ask Market
  • Signature Index
  • Trends
Lab
  • Metric Bench
  • Tagline Lab
  • Smart Search
Yours
  • Watchlist
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17,045 products · 82,562 snapshots
Umbra Mail

Umbra Mail

Strong signal

A calmer Gmail where emails look like chat threads

Launched 24d ago
Signal
62
Velocity
0

What this means

12.7×Growing 12.7× faster than the typical Productivity launch.
Compared to 243 Productivity launches at the same age.
Decaying
Vote pace down to 0% of launch speed.
+150%Launching in a 150% WoW growing category.
Newsletters had 5 launches this week vs 2 last.
17Founder Conviction Index: 17 — low signal.
Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.

Prediction

Top-5 finish probability
13%
today
Projected end-of-day votes
76range 57–103
Trajectory
decaying
Vote pace down to 0% of launch speed.
Speed vs peers
12.7×
243 Productivity launches

About

A calmer, private Gmail. Emails can look like chat threads, newsletters go in one page, and AI is optional. No tracking, no server, open source.

AI Summary

Umbra Mail is an open-source Chrome extension that transforms Gmail into a chat-like interface for emails and consolidates newsletters on a single page. It prioritizes user privacy with no tracking or server involvement, and offers optional AI features.

Attention & discussion velocity

Performance

Velocity0
Vote pace vs average
Momentum0
Sustained over 6h
Virality0
Spread × engagement
Engagement16
Discussion per unit of attention

Signal sources

2 of 6 active
  • Launch tracking9 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.

Founders

Mason Chen
@masn
rep 23
Mason Chen
@masn · hunter

Topics

GitHubChrome ExtensionsEmailNewslettersOpen Source