AI Summary
I couldn't find a database that was immutable (like Datomic) and embedded (like SQLite), so I made one. The reference impl is in Zig and there are now ports for Java, Clojure, TypeScript, and Go.
XitDB – an immutable single-file database
- Hacker News
I couldn't find a database that was immutable (like Datomic) and embedded (like SQLite), so I made one. The reference impl is in Zig and there are now ports for Java, Clojure, TypeScript, and Go.
Best for
Teams evaluating AI product workflows / Builders comparing emerging tools / Operators tracking early category shifts
Why it matters
Primary discovery source is Hacker News.
Key Features
- Primary public product URL is https://github.com/xit-vcs/xitdb.
- Description: I couldn't find a database that was immutable (like Datomic) and embedded (like SQLite), so I made one. The reference impl is in Zig and there are now ports for Java, Clojure, TypeScript, and Go..
- GitHub repository is linked as xit-vcs/xitdb.
- Listed on Hacker News as "XitDB – an immutable single-file database".
- Source description: I couldn't find a database that was immutable (like Datomic) and embedded (like SQLite), so I made one. The reference impl is in Zig and there are now ports for Java, Clojure, TypeScript, and Go..
Use Cases
- Primary discovery source is Hacker News.
- A public GitHub repo is available for direct technical review.
- Hacker News mention is recent (2026-04-17).
- Primary public product URL is https://github.com/xit-vcs/xitdb.
- Description: I couldn't find a database that was immutable (like Datomic) and embedded (like SQLite), so I made one. The reference impl is in Zig and there are now ports for Java, Clojure, TypeScript, and Go..
Why Now
XitDB – an immutable single-file database is appearing on fresh discovery surfaces, so it is worth reviewing while momentum is still forming. Confidence is currently medium (49/100), so treat this as an early signal rather than a settled trend.
Community Signals
Trend score
27.7
24h momentum
Rising
Hacker News points
8
Rising
Facts / Signals / Inference / Unknowns
Facts
- Listed on Hacker News as "XitDB – an immutable single-file database".
- Source description: I couldn't find a database that was immutable (like Datomic) and embedded (like SQLite), so I made one. The reference impl is in Zig and there are now ports for Java, Clojure, TypeScript, and Go..
- Source publish date is 2026-04-17.
- Description: I couldn't find a database that was immutable (like Datomic) and embedded (like SQLite), so I made one. The reference impl is in Zig and there are now ports for Java, Clojure, TypeScript, and Go..
- GitHub repository is linked as xit-vcs/xitdb.
- Primary public product URL is https://github.com/xit-vcs/xitdb.
Signals
- Hacker News mention is recent (2026-04-17).
- A public GitHub repo is available for direct technical review.
- Primary discovery source is Hacker News.
Inference
- Public code access can lower evaluation friction for developer audiences.
Unknowns
- Documentation is not explicitly linked in the current allowed evidence set.
- No tagline is stored on the current product record.
- Pricing details are not explicitly linked in the current allowed evidence set.
- Recent changelog or release history is not explicitly linked in the current allowed evidence set.
- Release cadence cannot be confirmed unless a changelog or release link is explicitly provided.
Evidence Snapshots
XitDB – an immutable single-file database
Listed on Hacker News as "XitDB – an immutable single-file database".
XitDB – an immutable single-file database GitHub repository
GitHub repository is linked as xit-vcs/xitdb.
XitDB – an immutable single-file database official profile
Primary public product URL is https://github.com/xit-vcs/xitdb.