head to head · open source
excelize vs duckdb-wasm
excelize has 21,036 GitHub stars, 1,984 forks, 131 open issues and last shipped yesterday. duckdb-wasm has 2,161 stars, 240 forks, 189 open issues and last shipped yesterday. excelize leads on adoption by 873% (21,036 vs 2,161 stars). excelize is written in Go under BSD-3-Clause; duckdb-wasm is written in TypeScript under MIT. excelize has attracted 9% as many forks as stars, duckdb-wasm 11%. duckdb-wasm 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
| excelize | duckdb-wasm | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 2.2K |
| License | BSD-3-Clause | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.0K | ⑂ 240 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick excelize if
- You weight community size — 21K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Go
- 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 TypeScript
- You evaluated both and duckdb-wasm fits your workflow better
About excelize
Excelize Introduction Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files. Supports reading and writing spreadsheet documents generated by Microsoft Excel™ 2007 and later. Supports complex components by high compatibility, and provided streaming API for generating or reading data from a worksheet with huge amounts of data. This library needs Go version 1.25.0 or later. The full docs can be seen using go's built in documentation tool, or online at go.dev and docs reference. Basic Usage Installation If your…
read the full excelize overview →
About duckdb-wasm
DuckDB Wasm DuckDB is an in process SQL OLAP Database Management System. DuckDB Wasm brings DuckDB to every browser thanks to WebAssembly. Duckdb Wasm speaks Arrow fluently, reads Parquet, CSV and JSON files backed by Filesystem APIs or HTTP requests and has been tested with Chrome, Firefox, Safari and Node.js. Learn more about DuckDB Wasm from our VLDB publication or the recorded talk. Try it out at shell.duckdb.org or at duckdb.org/visualizer. External third party embedding of DuckDB Wasm, read the API documentation, check out the web app examples, and chat with us on Discord. DuckDB and DuckDB Wasm DuckDB…
read the full duckdb-wasm overview →
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Frequently asked questions
Is excelize or duckdb-wasm more popular?
excelize has 21,036 GitHub stars and duckdb-wasm has 2,161. excelize has the larger community by that measure.
Are excelize and duckdb-wasm free?
Both are open source. excelize is licensed under BSD-3-Clause and duckdb-wasm under MIT. Neither carries a licence fee.
What is the difference between excelize and duckdb-wasm?
excelize is written in Go and duckdb-wasm 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, excelize or duckdb-wasm?
Choose excelize if you want the larger community (21,036 stars) or its BSD-3-Clause licence terms. Choose duckdb-wasm if its feature set, stack or MIT licence fits better. Both are self-hostable.