head to head · open source
starrocks vs preswald
starrocks has 12,125 GitHub stars, 2,594 forks, 1,443 open issues and last shipped today. preswald has 4,269 stars, 646 forks, 330 open issues and last shipped 3 months ago. starrocks leads on adoption by 184% (12,125 vs 4,269 stars). starrocks is written in Java under Apache-2.0; preswald is written in Python under Apache-2.0. starrocks has attracted 21% 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 | 2026-09-20 | 2026-06-11 |
| Forks | ⑂ 2.6K | ⑂ 646 |
| 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
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 preswald
Preswald is an Apache 2.0 Python static site generator that packages interactive data apps — compute, data access, and UI — into self contained .html files that run entirely in the browser on a WebAssembly runtime built from Pyodide and DuckDB, aimed at analysts, data engineers, and developers who need to hand a working dashboard, report, or inspection tool to someone who will not install anything.
read the full preswald overview →
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Frequently asked questions
Is starrocks or preswald more popular?
starrocks has 12,125 GitHub stars and preswald has 4,269. 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 (12,125 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.