compare
Keystone vs Umbraco
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Keystone | Umbraco |
|---|---|---|
| Language | TypeScript | C# |
| Licence | MIT | MIT |
| Stars | 10k | 5.3k |
| Latest | 2026-08-31 | release-18.2.1 |
| Last push | 2026-09-28 | 2026-10-06 |
| Release cadence | about 4 days between releases | about 1 day between releases |
| Active contributors | 6 commit authors on the default branch in the last 90 days | 45+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Contentful. Alternatives to Contentful →
Full replacementKeystoneSchema defined in TypeScript, with an admin UI and a GraphQL API, in Node.js.
PartialUmbracoA .NET CMS whose Content Delivery API serves content to headless front ends.
Keystone
- 2026-08-312026-08-3131 August 2026
- 2026-08-202026-08-2020 August 2026
- 2026-08-182026-08-1818 August 2026
- 2026-08-112026-08-1111 August 2026
- 2026-08-102026-08-1010 August 2026
Umbraco
- release-18.2.12026-10-0618.2.1
- release-17.7.12026-10-0617.7.1
- release-18.2.02026-09-1718.2.0
- release-17.7.02026-09-1717.7.0
- release-13.16.22026-09-1413.16.2
Keystone
✓ signed The latest release, 2026-08-31, carries a signature GitHub verified.
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Umbraco
✓ signed The latest release, release-18.2.1, carries a signature GitHub verified.
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