GSTACK OVERLAYS // BROADCAST MODULES

4 ACTIVE MODULES

Production-Ready Broadcast Overlays

Modular, web-based overlay system built on standard technologies (HTML/CSS/JS). Zero-install, browser-source compatible with OBS, vMix, Streamlabs, and any streaming software supporting browser sources.

View API Docs Get Setup Help Unlock All Tiers

Available Overlay Modules

Each module is a standalone browser source with real-time data via WebSocket

Technical Features

Zero Install

Runs as browser source - no plugins, no software installation, works on any OS with OBS/vMix/Streamlabs

Real-time Sync

WebSocket-powered sub-100ms latency. All overlays and control panels stay perfectly synchronized

Fully Themed

CSS variables for colors, fonts, spacing. Tournament branding in minutes without code changes

Responsive

Scales from 4K down to mobile vertical. Automatic layout adaptation for different aspect ratios

Secure

CORS configured, token authentication available, no sensitive data exposed in browser source

Open Architecture

Standard REST + WebSocket APIs. Build custom overlays, integrate with your tools, extend freely

Quick Setup Guide

1. Get Access

Join Discord or Patreon to receive your license key and download links

2. Run Server

Launch GStack server on your observer machine - auto-detects game clients

3. Add Browser Source

Add overlay URLs as browser sources in OBS/vMix (e.g., http://localhost:57780/overlay)

4. Configure & Go Live

Customize themes, add team logos, connect control panel, start broadcasting