River Writer
Notable signalA quiet Mac app for screenplays, stage plays and novels
Launched 19d ago
Signal
60
Velocity
0
What this means
16.9×Growing 16.9× faster than the typical Productivity launch.
Compared to 206 Productivity launches at the same age.
13Founder Conviction Index: 13 — low signal.
Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.
Prediction
Top-5 finish probability
29%
today
Projected end-of-day votes
81range 61–109
Trajectory
stable
Vote pace holding steady.
Speed vs peers
16.9×
206 Productivity launches
About
River Writer is a free Mac app for screenplays, stage plays and novels. You write plain text (.fountain ormd) and a live preview shows the formatted, print-ready pages beside it: Screenplay, Multi-cam, Stage Play or Manuscript. Git versioning is built in, so you can commit drafts, restore files and try an alternate ending on a branch. Outline, scratchpad and todos live as plain files in your project. No accounts, cloud, telemetry or AI; it makes no network connections. Open source (MIT).
AI Summary
River Writer is a free, open-source Mac app designed for writing screenplays, stage plays, and novels using plain text formats. It features built-in Git versioning for draft management and offers a live preview of formatted pages without requiring internet connectivity.
Attention & discussion velocity
Performance
Velocity0
Vote pace vs average
Momentum0
Sustained over 6h
Virality0
Spread × engagement
Engagement10
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.