Open QuarterMaster | Inventory without a catch with all the hooks
Efficiently manage your inventory with our powerful open-source database solution. Streamline operations, track critical inventory, and enhance productivity effortlessly. Discover the future of inventory management today.
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Open QuarterMaster is an open-source, self-hosted inventory management system that provides scalable and modular tools for tracking items, locations, and data for individuals, hobbyists, and businesses of all sizes.
🚀 Overview
Open QuarterMaster is a powerful, flexible inventory management system designed to handle everything from personal spice racks to large-scale warehouses. It eliminates the limitations of proprietary systems by offering a modular, containerized architecture that scales effortlessly and supports custom extensions via plugins.
The project solves the problem of rigid, expensive inventory tools that lock users into vendors and lack adaptability. It's built for anyone managing physical goods—hobbyists on Raspberry Pi, small retailers, and enterprises—providing a privacy-focused, community-driven alternative with no licensing fees.
Created to be the 'last inventory system you'll ever need,' it emphasizes simplicity, extensibility, and openness, allowing users to automate workflows and integrate with custom hardware or software.
Answer these questions:
- What problem does this project solve? Inflexible and costly inventory management.
- Who is it built for? Individuals, businesses, developers at any scale.
- Why did you build it? To offer a free, open, 'no catch' solution that's truly customizable and scalable.
✨ Key Features
- Core API (what it does and why it matters): Central backend for tracking inventory items, locations, and metadata—foundation for all operations.
- Base Station: Intuitive web frontend for easy daily use and management.
- Plugins: Extensible modules for specialized tasks like POS, smart fridge integrations, or workflows—enables customization without rebuilding.
- Modular containerized design: Deploy anywhere from Raspberry Pi to cloud, with privacy by default—no external data sharing.
- Optional: Upcoming plugins and community contributions via discussions.
🛠 Tech Stack
- Frontend: JavaScript, HTML, CSS
- Backend: Java (Core API), Python
- Database: Configurable (self-hosted setups)
- Auth: Supports Keycloak or custom
- Hosting: Self-hosted via Docker containers, deb packages; supports single-host, multi-node, Raspberry Pi
👥 Who Is This For?
This project is useful for:
- Businesses who want to ___ manage inventory scalably without vendor lock-in
- Teams looking for ___ modular, privacy-focused tracking tools
- Indie makers building ___ custom plugins or deploying on edge hardware
📸 Screenshots / Demo
- Live demo: https://openquartermaster.com/public/demo
- GitHub: https://github.com/Epic-Breakfast-Productions/OpenQuarterMaster
🔥 Project Status
- 🟢 Actively building
Last updated: 2026-03-24
❓ FAQ
Is this project free?
Yes / Open Source (Fully free under GPL-3.0; donations via Ko-fi/Patreon welcome; merch in shop.)
Is the source code available?
Yes — https://github.com/Epic-Breakfast-Productions/OpenQuarterMaster
Can I contribute?
Yes—file issues/PRs on GitHub, join discussions, or chat on Discord. Follow CONTRIBUTING.md and all-contributors spec. Everyone welcome!
📬 Contact & Links
- Website: https://openquartermaster.com
- GitHub: https://github.com/Epic-Breakfast-Productions/OpenQuarterMaster
- Twitter/X:
- Email: Contact via GitHub Discussions or Discord https://discord.gg/cpcVh6SyNn
Built with ❤️ and kept warm on WarmIndex.
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