GymOS | Multi-Tenant Gym Management SaaS Boilerplate & Source Code

Stop Building from Scratch. Launch Your Own Gym SaaS Business This Weekend.

Building a robust, secure, multi-tenant SaaS application takes months of hard work, thousands of dollars in development costs, and endless debugging.

GymOS gives you a production-ready, fully-featured Gym Management SaaS codebase out of the box. Buy it once, brand it as your own, and sell it to gym owners, crossfit boxes, and fitness studios worldwide. Keep 100% of the profits.

🚀 What is GymOS?

GymOS is a modern, high-performance, multi-tenant platform designed for the fitness industry. It allows multiple gym owners to sign up, manage their own members, handle subscriptions, track staff, and view analytics—all under completely isolated tenant dashboards.

🏗️ Complete Tech Stack

• Frontend: React / Next.js (App Router, Tailwind CSS, Shadcn UI)
• Backend: Node.js / Express (TypeScript)
• Database: PostgreSQL / Prisma ORM (Robust row-level security / tenant isolation)
• State Management: Redux Toolkit / React Query
• Authentication: JWT / Bcrypt secure multi-tenant auth
• Payments: Stripe Billing (Ready for platform-wide subscriptions or tenant-specific connect)

🔥 Core Features Included

• 🔒 Secure Multi-Tenancy: Complete data isolation. Gym A can never see Gym B’s data.
• 👥 Member Management: Digital check-ins, member profiles, attendance tracking, and membership status.
• 📅 Class & Schedule Manager: Create fitness classes, assign trainers, and let members book slots.
• 💼 Staff & Trainer Dashboards: Role-based access control (Admin, Manager, Trainer, Receptionist).
• 📱 100% Responsive Design: Beautiful UI that works flawlessly on desktop, tablets, and smartphones.

💼 Who is this for?

1. Developers: Skip 200+ hours of boilerplate setup (Auth, Multi-tenancy, Stripe integration) and jump straight to customizing.
2. Agencies: White-label this product and deal it to local fitness clients as a premium custom solution.
3. Indie Hackers & Entrepreneurs: Launch a recurring revenue SaaS business in a booming niche without getting a dev team.

📦 What you get inside the download:

• Complete Frontend & Backend Source Code (Clean, modular TypeScript).
• Database schema files and seed scripts (PostgreSQL/Prisma).
• Step-by-step deployment guide (Get live on a VPS, Vercel, or Railway in under 30 minutes).
• Postman/Insomnia collection for API testing.
• Commercial License: Lifetime permission to modify, brand, and host the software to charge your own users.

Stop wasting time configuring multi-tenancy and payment loops. Grab your license today and launch your SaaS now.