Microsoft Entra ID vs openGym
Microsoft Entra ID and openGym are both identity and access software. Microsoft Entra ID is a commercial product from Microsoft. OpenGym is open source under AGPL-3.0, with 19k GitHub stars.
Which to pick
- Pick Microsoft Entra ID when
- Your organisation uses Microsoft 365 and wants identity and SSO without another vendor.
- Pick openGym when
- You want a free workout log you can self-host or keep on your phone, without a subscription app.
Side by side
Microsoft's cloud directory (formerly Azure AD) for Microsoft 365 sign-in, SSO to other apps, MFA, conditional access and device-aware policies.
A gym and body-weight tracker for planning routines, logging workouts and seeing which muscles were trained, with imports from Strong, Hevy and FitNotes.
Conditional access and governance features need P1 or P2 licences, and the admin surface is large.
Only a few months old despite its star count, and AGPL licensed.
Production-ready
Experimental
Cloud service
Mobile app and self-hosted server
Azure
JavaScript, React, Node.js and Swift
Closed source, sold by Microsoft
Open source, AGPL-3.0 (network copyleft)
Closed source: you use it under the maker's terms and cannot change or resell the code.
Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.
508 Wikipedia readers a month on phones
19k GitHub stars
Not known
New: started 3 months ago, latest release v1.4.3.
Other comparisons
More identity providers and single sign-on servers
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.