Workout.cool: An Open-Source Fitness Platform for Developers Who Lift

Fitness apps are everywhere, but most are either locked behind paywalls or too rigid for technical users. Workout.cool is different—it’s a modern, open-source fitness coaching platform with a developer-friendly approach. Whether you’re a gym rat who codes or a dev looking to build your own fitness tools, this project is worth a look.

With over 5.2k GitHub stars and an MIT license, Workout.cool offers a full-stack solution for workout planning, progress tracking, and exercise database management—all without vendor lock-in.

What It Does

Workout.cool is a self-hostable fitness platform that lets you:

• Create and customize workout plans – Tailor routines to your goals.
• Track progress – Log sets, reps, and weights with analytics.
• Access a structured exercise database – No more scraping sketchy fitness sites.
• Run it yourself – Built with Next.js, Prisma, and Tailwind, so you own your data.

Why It’s Cool

1. Open Exercise Library
   The built-in database includes detailed instructions, muscle group targeting, and equipment requirements—great for devs building fitness apps.

2. Self-Hostable & Extensible
   Docker-ready and MIT-licensed, so you can tweak it or integrate with other tools (like wearables or nutrition apps).

3. Clean UI, Solid Tech Stack
   Next.js for performance, Prisma for sane database ops, and Tailwind for styling. The codebase is well-organized, making it easy to contribute or fork.

How to Try It

1. Live Demo: Check out workout.cool.
2. Self-Host: Clone the repo, set up with docker-compose, and customize:

   git clone https://github.com/Snouzy/workout-cool.git
   cd workout-cool
   docker-compose up
   

Final Thoughts

Workout.cool is a rare find—a fitness app that doesn’t treat users (or their data) as products. For developers, it’s a goldmine: use it as-is, extend it for personal projects, or borrow its exercise database for your own apps. The fact that it’s open-source means no surprises, just squats (and clean code).

Got thoughts on fitness tech? Hit us up @githubprojects.