head to head · open source
starrocks vs ktx
starrocks has 12,229 GitHub stars, 2,650 forks, 1,443 open issues and last shipped yesterday. ktx has 1,628 stars, 111 forks, 52 open issues and last shipped 14 days ago. starrocks leads on adoption by 651% (12,229 vs 1,628 stars). starrocks is written in Java under Apache-2.0; ktx is written in TypeScript under Apache-2.0. starrocks has attracted 22% 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 | 2026-11-04 | 2026-10-22 |
| Forks | ⑂ 2.6K | ⑂ 111 |
| 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
Download Docs Benchmarks Demo StarRocks is the world's fastest open query engine for sub second, ad hoc analytics both on and off the data lakehouse. With average query performance 3x faster than other popular alternatives, StarRocks is a query engine that eliminates the need for denormalization and adapts to your use cases, without having to move your data or rewrite SQL. A Linux Foundation project. Learn more 👉🏻 What Is StarRocks: Features and Use Cases, Join StarRocks Summit 2025! Features 🚀 Native vectorized SQL engine: StarRocks adopts vectorization technology to make full use of the parallel computing…
read the full starrocks overview →
About ktx
The context layer for data agents Quickstart · CLI Reference · Agent Setup · Slack Built and maintained by Kaelio ktx is a self improving context layer that teaches agents how to query your warehouse accurately from approved metric definitions, joinable columns, and business knowledge it builds and maintains for you. [!NOTE] Run ktx with your own LLM API keys or a local agent sign in — a Claude Pro/Max subscription through Claude Code, or your local Codex authentication. No extra usage billing from ktx . Why ktx General purpose agents struggle on data tasks. They re explore your warehouse on every question…
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Frequently asked questions
Is starrocks or ktx more popular?
starrocks has 12,229 GitHub stars and ktx has 1,628. 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 (12,229 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.