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Gnista vs PNGine

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Gnista compared with PNGine
DetailGnista logo GnistaPNGine logo PNGine
What it doesMonitor coding agents from your Mac's notch and get notified when they need you Declarative WebGPU in S-expressions that compiles to compact bytecode
StageNot given Not given
FoundedNot given Not given
Based inDK PT
Pricing modelPaid Not given
Pricing€19 one-time personal licence with one year of updates, then €9/year for additional updates. Team plans: €75/year for 5 Macs (€15 per Mac), €140/year for 10 Macs (€14 per Mac), €300/year for 25 Macs (€12 per Mac). 7-day free trial. Not given
Key features
  • Monitor multiple coding agents with status indicators (working, done, waiting)
  • Approve or deny agent requests directly from the notch without leaving your workflow
  • Jump to the exact terminal tab or editor window where an agent is running
  • Answer agent questions directly from the notch for supported agents
  • Smart notifications that respect Focus modes, Zoom calls and screen sharing
  • Display model costs and context window usage for each agent run
  • Connect to agents running on remote Linux servers over SSH
  • Support for custom agents via JSON webhook
  • Keyboard shortcuts for common actions (⌘Y to allow, ⌘N to deny)
  • Declarative WebGPU syntax using S-expressions
  • SJON format for describing pipelines and passes
  • Compact bytecode compilation
  • Command-line interface for validation and compilation
  • Browser API from 3 KB to 17 KB gzipped
  • Mock GPU inspection tool
  • Standalone HTML export
What makes it different
  • Works with 30+ coding agents out of the box, all monitored in one place
  • Answer agent requests without context-switching, directly from the notch
  • Notifications that respect your Focus, calls and screen sharing to stay distraction-free
  • One-time personal licence with ongoing free updates for a year, then optional €9/year
  • No telemetry, no account required, and all sessions stay on your Mac
  • Compiles to few hundred bytes compared to typical GPU programs
  • Can embed compiled programs in PNG files
  • Declarative syntax matches WebGPU spec 1:1
  • Runs anywhere WebGPU is supported
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check14 +1 (up) since last check
Trust Flow (Majestic)08
Citation Flow (Majestic)034
Referring domains (Majestic)0310

4 details filled in for both companies.

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