head to head · open source
dbt vs ktx
dbt has 13,880 GitHub stars, 2,570 forks, 1,534 open issues and last shipped today. ktx has 1,598 stars, 105 forks, 52 open issues and last shipped 9 days ago. dbt leads on adoption by 769% (13,880 vs 1,598 stars). dbt is written in Rust under Apache-2.0; ktx is written in TypeScript under Apache-2.0. dbt has attracted 19% as many forks as stars, ktx 7%. dbt was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (analytics, business-intelligence), 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.
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Side by side
| dbt | ktx | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | TypeScript |
| Last push | 2026-09-20 | 2026-09-11 |
| Forks | ⑂ 2.6K | ⑂ 105 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick dbt if
- You weight community size — 14K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick ktx if
- You want the ktx feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and ktx fits your workflow better
About dbt
dbt is an open source data transformation framework that lets data analysts and engineers transform their data using the same practices software engineers use to build applications, and it is aimed at analytics teams that model data inside a warehouse.
About ktx
ktx is an open source, Apache 2.0 licensed executable context layer, built and maintained by Kaelio in TypeScript, that lets AI agents such as Claude Code, Codex, Cursor, and OpenCode query analytical warehouses accurately using approved metric definitions, detected joinable columns, and company knowledge.
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Frequently asked questions
Is dbt or ktx more popular?
dbt has 13,880 GitHub stars and ktx has 1,598. dbt has the larger community by that measure.
Are dbt and ktx free?
Both are open source. dbt is licensed under Apache-2.0 and ktx under Apache-2.0. Neither carries a licence fee.
What is the difference between dbt and ktx?
dbt is written in Rust and ktx 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, dbt or ktx?
Choose dbt if you want the larger community (13,880 stars) or its Apache-2.0 licence terms. Choose ktx if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.