Valentir Pen
Draw, annotate and think anywhere on your screen.
Draw, annotate and think anywhere on your screen. A smooth vector ink overlay for presentations, lectures and code reviews.
<4ms
Input latency
100%
Offline
0 bytes
Telemetry
Live
Status
Open invoices
142
Reconciled
96
Overdue
7
Context breakdown during technical communication
Screen sharing during complex explanations is clunky — switching to a whiteboard app loses context, and existing annotation tools lag or draw blocky jagged lines.
Transparent hardware overlay with zero-latency input
A zero-lag transparent GPU overlay with perfect-freehand ink smoothing, shapes, text, laser pointer, and dual-monitor support that floats above any app.
Subsystem Architecture
4 core layersElectron, React 19, TypeScript and Tailwind with maximum compression
Vector freehand stroke synthesis with pressure simulation and shapes
Win32 DirectComposition and per-monitor DPI awareness
Lightweight per-user NSIS package with zero admin prompt
Tell us what you want to build.
One call, a deterministic technical scope, and a 100% fixed price. From architecture to launch, we engineer software that drives real business results.