Sparrow
Notable signalSelf-hosted webhook delivery. One binary, just Postgres.
Launched 1d ago
Signal
61
Velocity
0
What this means
Rising steadily
Steady upward velocity sustained.
+36%Launching in a 36% WoW growing category.
Customer Communication had 15 launches this week vs 11 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
18%
today
Projected end-of-day votes
62range 47–84
Trajectory
rising
Steady upward velocity sustained.
Speed vs peers
1.1×
5 Developer Infrastructure launches
About
Send webhooks reliably from your infrastructure. Retries, cryptographic signing, health tracking, payload transforms, recipes for Slack/Discord/PagerDuty, and a self-service portal — in one Go binary with PostgreSQL as the only dependency. Free, MIT.
AI Summary
Sparrow is a self-hosted webhook delivery solution that operates as a single binary with PostgreSQL as its only dependency. It offers features such as retries, cryptographic signing, health tracking, and payload transformations for various platforms, and is available under the MIT license.
Attention & discussion velocity
Performance
Velocity0
Vote pace vs average
Momentum0
Sustained over 6h
Virality0
Spread × engagement
Engagement23
Discussion per unit of attention
Editorial read
Scored deterministically. Only candidates that fire a story trigger are sent to a model, so this one has no written angle.
InvestigateRanks high on little evidence. Worth a look, but verify before committing.
315/8
Surprising
Describes itself in terms almost no other launch uses: "Self-hosted webhook delivery. One binary, just Postgres."
Novelty15%98
carried 20%
Timeliness5%96
carried 7%
Story20%88
carried 27%
Trend20%37
carried 27%
Business15%11
carried 20%
Not measured · 3 of 8
Revenue10%—
Founder10%—
Cross-platform5%—
Gaps in our data, not findings about the product. Their weight is redistributed across the 5 we did measure.
measuredmeasured, zeronot measured
Full audit →Signal sources
3 of 6 active- Launch tracking7 readings since we picked it up
- AI analysisDeveloper Infrastructure
- Comment intelligencethread not yet analysed
- Outside discussionnot checked — domain is a storefront or shared
- Revenue signalsno match on this domain
- Editorial scoring23% evidence coverage
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.