head to head · open source
openGym vs webauthn
openGym has 20,004 GitHub stars, 2,671 forks, 109 open issues and last shipped 2 days ago. webauthn has 618 stars, 63 forks, 1 open issues and last shipped 4 days ago. openGym leads on adoption by 3,137% (20,004 vs 618 stars). openGym is written in JavaScript under AGPL-3.0; webauthn is written in TypeScript under MIT. openGym has attracted 13% as many forks as stars, webauthn 10%. openGym was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (passkeys), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| openGym | webauthn | |
|---|---|---|
| GitHub stars | ★ 20K | ★ 618 |
| License | AGPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-06 | 2026-11-04 |
| Forks | ⑂ 2.7K | ⑂ 63 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openGym if
- You weight community size — 20K 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 webauthn if
- You want the webauthn feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and webauthn 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 webauthn
@passwordless id/webauthn ========================= This library greatly simplifies the usage of passkeys by invoking the WebAuthn protocol more conveniently. It is open source, opinionated, dependency free and minimalistic. Note: in the latest version 2.4+, the browser field was removed in package.json due to issues how various tooling interpret it. Check out 108 for more details. 👀 Demos Basic Demo Passkeys autocomplete Testing Playground Authenticators list Docs These demos are plain HTML/JS, not minimized. Just open the sources in your browser if you are curious. 📦 Installation Modules (recommended) The…
read the full webauthn overview →
More in Security & Privacy
Related comparisons
More Identity & Access Management (IAM) projects
Compare either of these against the rest of the Identity & Access Management (IAM) field.
Frequently asked questions
Is openGym or webauthn more popular?
openGym has 20,004 GitHub stars and webauthn has 618. openGym has the larger community by that measure.
Are openGym and webauthn free?
Both are open source. openGym is licensed under AGPL-3.0 and webauthn under MIT. Neither carries a licence fee.
What is the difference between openGym and webauthn?
openGym is written in JavaScript and webauthn in TypeScript. 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 webauthn?
Choose openGym if you want the larger community (20,004 stars) or its AGPL-3.0 licence terms. Choose webauthn if its feature set, stack or MIT licence fits better. Both are self-hostable.