head to head · open source
openGym vs Ory
openGym has 19,145 GitHub stars, 2,540 forks, 109 open issues and last shipped 2 days ago. Ory has 13,949 stars, 1,212 forks, 224 open issues and last shipped 3 months ago. openGym leads on adoption by 37% (19,145 vs 13,949 stars). openGym is written in JavaScript under AGPL-3.0; Ory is written in Go under Apache-2.0. openGym has attracted 13% as many forks as stars, Ory 9%. openGym was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| openGym | Ory | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 14K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-03 | 2026-07-29 |
| Forks | ⑂ 2.5K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openGym if
- You weight community size — 19K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Ory if
- You want the Ory feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and Ory fits your workflow better
About openGym
A self hosted gym & body weight tracker you actually own. Plan your week, run guided workouts, track every set and your body weight over time — on your phone, synced across devices, behind your own passkey login. No account on someone else's server, no subscription, no ads. Just docker compose up . Home — today's workout & weight Guided workout — animated demos & sets Stats — heatmap, charts & PRs 🌐 opengym.duarte santos.ch · 📦 Source on GitHub · 🦊 GitLab mirror Screenshots, docs and the APK download live on the site. Want to poke at it first? The in browser demo is the real app with example data — no…
read the full openGym overview →
About Ory
Chat · Discussions · Newsletter · Docs · Try Ory Network · Jobs Ory Kratos is an API first identity and user management system for cloud native applications. It centralizes login, registration, recovery, verification, and profile management flows so your services consume them instead of reimplementing them. Table of contents What is Ory Kratos? Why Ory Kratos Migrating from Auth0, Okta, and similar providers Deployment options Use Ory Kratos on the Ory Network Self host Ory Kratos Quickstart Who is using it? What is Ory Kratos? Ory Kratos is an API first identity and user management system that follows cloud…
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Frequently asked questions
Is openGym or Ory more popular?
openGym has 19,145 GitHub stars and Ory has 13,949. openGym has the larger community by that measure.
Are openGym and Ory free?
Both are open source. openGym is licensed under AGPL-3.0 and Ory under Apache-2.0. Neither carries a licence fee.
What is the difference between openGym and Ory?
openGym is written in JavaScript and Ory in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, openGym or Ory?
Choose openGym if you want the larger community (19,145 stars) or its AGPL-3.0 licence terms. Choose Ory if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.