A modern, feature-rich Minecraft server launcher and manager.
Catalyst makes it easy to create, configure, and manage multiple Minecraft servers from a single desktop application. With automatic Java management, plugin support via Modrinth, built-in analytics, and a sleek dark UI — running a Minecraft server has never been simpler.
- 🖥️ Multi-Server Management — Create and run multiple Minecraft servers (Vanilla, Paper, Fabric, Forge, and more)
- ☕ Automatic Java Runtime — Downloads and manages the correct Java version (8, 11, 17, 21) based on your Minecraft version
- 📟 Real-Time Console — Integrated server console with live output
- 🔌 Plugin Management — Search, install, and update plugins directly from Modrinth
- 📊 Server Analytics — Bundled CatalystAnalytics plugin for TPS, memory usage, player stats, and geo-location tracking
- 💾 Automated Backups — Configurable backup schedules to keep your worlds safe
- 🌐 Ngrok Integration — Share your server instantly with built-in tunnel support
- ⚙️ Server Properties Editor — Edit server.properties, whitelist, and banlist from the UI
- 🎨 Modern Dark UI — Custom frameless window with a polished, modern interface and 3D splash screen
- 🔄 Auto-Updates — Built-in update checker to stay on the latest version
- 💻 Cross-Platform — Supports Windows (Linux coming soon)
Download the latest release from GitHub Releases.
| Platform | Format |
|---|---|
| Windows | .exe installer |
| Linux | 🚧 Coming Soon |
# Install dependencies
npm install
# Start in development mode
npm run dev# Windows
npm run build:win
# Linux
# 🚧 Coming Soon
# Run unit tests
npm run test:unit
# Run tests with coverage
npm run coverage| Category | Technology |
|---|---|
| Framework | Electron 33 with electron-vite |
| Language | TypeScript |
| Frontend | React 19 |
| Styling | Tailwind CSS 3 + shadcn/ui |
| 3D Graphics | Three.js |
| Testing | Vitest + Testing Library |
This project is licensed under the GNU General Public License v3.0.