head to head · open source
perspective vs duckdb-wasm
perspective has 11,232 GitHub stars, 1,338 forks, 39 open issues and last shipped 2 days ago. duckdb-wasm has 2,121 stars, 227 forks, 189 open issues and last shipped 2 months ago. perspective leads on adoption by 430% (11,232 vs 2,121 stars). perspective is written in Rust under Apache-2.0; duckdb-wasm is written in C++ under MIT. perspective has attracted 12% as many forks as stars, duckdb-wasm 11%. perspective was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (analytics, javascript, webassembly), 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
| perspective | duckdb-wasm | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 2.1K |
| License | Apache-2.0 | MIT |
| Written in | Rust | C++ |
| Last push | 2026-09-18 | 2026-07-28 |
| Forks | ⑂ 1.3K | ⑂ 227 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick perspective if
- You weight community size — 11K 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 duckdb-wasm if
- You want the duckdb-wasm feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and duckdb-wasm fits your workflow better
About perspective
Perspective is an interactive analytics and data visualization component for large, real time and streaming datasets, built for developers and data teams who create user configurable reports, dashboards and notebook applications on top of a high performance streaming query engine.
read the full perspective overview →
About duckdb-wasm
DuckDB Wasm is the WebAssembly build of DuckDB, an in process SQL OLAP database management system, that runs analytical SQL queries entirely inside a web browser or a Node.js process — built for front end developers and data engineers who want full OLAP query power on data that already sits on the client, without standing up a server.
read the full duckdb-wasm overview →
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Frequently asked questions
Is perspective or duckdb-wasm more popular?
perspective has 11,232 GitHub stars and duckdb-wasm has 2,121. perspective has the larger community by that measure.
Are perspective and duckdb-wasm free?
Both are open source. perspective is licensed under Apache-2.0 and duckdb-wasm under MIT. Neither carries a licence fee.
What is the difference between perspective and duckdb-wasm?
perspective is written in Rust and duckdb-wasm in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, perspective or duckdb-wasm?
Choose perspective if you want the larger community (11,232 stars) or its Apache-2.0 licence terms. Choose duckdb-wasm if its feature set, stack or MIT licence fits better. Both are self-hostable.