head to head · open source
starrocks vs preswald
starrocks has 12,229 GitHub stars, 2,650 forks, 1,443 open issues and last shipped yesterday. preswald has 4,270 stars, 647 forks, 330 open issues and last shipped 5 months ago. starrocks leads on adoption by 186% (12,229 vs 4,270 stars). starrocks is written in Java under Apache-2.0; preswald is written in Python under Apache-2.0. starrocks has attracted 22% as many forks as stars, preswald 15%. 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 | preswald | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 4.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Python |
| Last push | 2026-11-04 | 2026-06-11 |
| Forks | ⑂ 2.6K | ⑂ 647 |
| 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 preswald if
- You want the preswald feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and preswald 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 preswald
Create interactive data apps with a full data stack that runs in the browser (no local dependencies!),runs offline, and is shareable in a single file. What is Preswald? Preswald is a static site generator for building interactive data apps in Python. It packages compute, data access, and UI into self contained data apps that run locally in the browser. Built on a WASM runtime with Pyodide and DuckDB, Preswald enables portable, file based apps that are fast, reactive, and shareable. You can think of Preswald as a lightweight alternative to heavier web app platforms. It provides built in UI components and reactive…
read the full preswald overview →
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Frequently asked questions
Is starrocks or preswald more popular?
starrocks has 12,229 GitHub stars and preswald has 4,270. starrocks has the larger community by that measure.
Are starrocks and preswald free?
Both are open source. starrocks is licensed under Apache-2.0 and preswald under Apache-2.0. Neither carries a licence fee.
What is the difference between starrocks and preswald?
starrocks is written in Java and preswald in Python. 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 preswald?
Choose starrocks if you want the larger community (12,229 stars) or its Apache-2.0 licence terms. Choose preswald if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.