compare
ODK Central vs OpnForm
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | ODK Central | OpnForm |
|---|---|---|
| Language | JavaScript | PHP |
| Licence | Apache-2.0 | Other |
| Stars | 228 | 3.8k |
| Latest | v2026.3.1 | v2.5.0 |
| Last push | 2026-09-28 | 2026-10-06 |
| Release cadence | about 13 days between releases | about 11 days between releases |
| Active contributors | 6 commit authors on the default branch in the last 90 days | 8 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Google Forms. Alternatives to Google Forms →
PartialODK CentralServer for XLSForm surveys filled in offline in the ODK Collect app or the browser.
Full replacementOpnFormForms and submissions on your own server, with webhooks and integrations.
ODK Central
OpnForm
- v2.5.02026-09-02v2.5.0: Smarter form creation with MCP
- v2.4.02026-08-20v2.4.0: MCP, campaign attribution, and richer notifications
- v2.3.02026-08-11v2.3.0: Automation, audio, AI formulas, and self-hosted PDF fixes
- v2.2.42026-07-28Added Pabbly integration support.
- v2.2.32026-07-28Fixed an OIDC SSO issue that could prevent users with an existing OpnForm account from completing sign-in.
ODK Central
✓ signed The latest release, v2026.3.1, carries a signature GitHub verified.
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OpnForm
✓ signed The latest release, v2.5.0, carries a signature GitHub verified.
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