Guided by Light.
Engineered for Precision.
Lighthouse 4 crafts focused, high-performance web applications and digital tools. Zero bloat, instant response, and designed for real-world operators.
ChronoStage
The bulletproof web-based stage timer built for live broadcasts, corporate conferences, and AV production crews.
ChronoStage — Free & Collaborative Stage Timer
Real-time synchronization, OBS stream overlays, and custom rundowns. No registration required to get started.
Precision Countdown
Clear, high-contrast timers with over-time warnings designed for speaker confidence monitors.
OBS & vMix Overlays
Dedicated transparent browser-source URLs for instant stream graphics and production switchers.
Zero Install Required
Runs entirely in the browser with local state preservation and instant sharing via clean URLs.
Live Multi-Device Sync
Control timers remotely from a phone, tablet, or director console while stage screens update live.
Engineering Ethos
Software Crafted with Intent
Focused Utility
We avoid bloated all-in-one software. Every tool we build does one critical job with uncompromising clarity and speed.
Production Grade
Our apps are designed for live scenarios where failures are not an option — from stage shows to mission-critical operations.
High-Contrast Minimal
We prioritize extreme readability, clean typography, and purposeful motion, eliminating visual friction for users.
App Ecosystem
Our active lineup and ongoing laboratory projects.
ChronoStage
Active ProductionLive broadcast stage timer & rundown coordinator
Signal Flow Studio
In DevelopmentLightweight audio/visual stream routing & cue assistant
Let's Build Something Remarkable
Have feedback on ChronoStage, want to discuss a customized utility tool, or explore collaborating with Lighthouse 4? We reply promptly.