Credits & Attributions

Exercise data

Exercise data from the Free Exercise DB (yuhonas), released into the public domain (Unlicense). ~800 exercises with images, muscles, equipment and instructions.

Equipment

The equipment catalog is Pumpy’s own curated list. Its 3D equipment renders were generated with OpenAI’s image model and ship with the app; each falls back to a built-in vector illustration.

KWS

Powered by KWS - Pumpy is proudly powered by KWS.

Open source

Next.js · React · NestJS · PostgreSQL · pgvector · Drizzle · Better Auth · TanStack · Dexie · Tailwind · Capacitor · the Model Context Protocol SDK - each under its respective license.

Inspiration

Pumpy is an independent, clean-room reimplementation of the auto-generated, equipment- and recovery-aware strength-training concept popularized by Fitbod. No Fitbod code, assets, or data are used.