head to head · open source
starrocks vs ktx
starrocks has 12,125 GitHub stars, 2,594 forks, 1,443 open issues and last shipped today. ktx has 1,598 stars, 105 forks, 52 open issues and last shipped 9 days ago. starrocks leads on adoption by 659% (12,125 vs 1,598 stars). starrocks is written in Java under Apache-2.0; ktx is written in TypeScript under Apache-2.0. starrocks has attracted 21% as many forks as stars, ktx 7%. starrocks was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (analytics), 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
| starrocks | ktx | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | TypeScript |
| Last push | 2026-09-20 | 2026-09-11 |
| Forks | ⑂ 2.6K | ⑂ 105 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick starrocks if
- You weight community size — 12K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- 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 starrocks
StarRocks is an Apache 2.0, Linux Foundation open query engine written in Java that delivers sub second ad hoc and multi dimensional analytics both on and off the data lakehouse, built for data platform teams, analytics engineers, and BI users who need fast SQL over large distributed datasets without moving data or rewriting SQL.
read the full starrocks overview →
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 starrocks or ktx more popular?
starrocks has 12,125 GitHub stars and ktx has 1,598. starrocks has the larger community by that measure.
Are starrocks and ktx free?
Both are open source. starrocks is licensed under Apache-2.0 and ktx under Apache-2.0. Neither carries a licence fee.
What is the difference between starrocks and ktx?
starrocks is written in Java 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, starrocks or ktx?
Choose starrocks if you want the larger community (12,125 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.