head to head · open source
excelize vs duckdb-wasm
excelize has 20,924 GitHub stars, 1,954 forks, 131 open issues and last shipped today. duckdb-wasm has 2,121 stars, 227 forks, 189 open issues and last shipped 2 months ago. excelize leads on adoption by 887% (20,924 vs 2,121 stars). excelize is written in Go under BSD-3-Clause; duckdb-wasm is written in C++ under MIT. excelize has attracted 9% as many forks as stars, duckdb-wasm 11%. excelize 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.
← all 20902 open source comparisons
Side by side
| excelize | duckdb-wasm | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 2.1K |
| License | BSD-3-Clause | MIT |
| Written in | Go | C++ |
| Last push | 2026-09-20 | 2026-07-28 |
| Forks | ⑂ 2.0K | ⑂ 227 |
| 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 C++
- You evaluated both and duckdb-wasm fits your workflow better
About excelize
Excelize is a pure Go library for reading and writing XLAM, XLSM, XLSX, XLTM and XLTX spreadsheets, built for Go developers who need to generate or parse Microsoft Excel 2007 and later workbooks directly from their own code.
read the full excelize 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 →
More in Business Software
Related comparisons
More Marketing & Customer Engagement projects
Compare either of these against the rest of the Marketing & Customer Engagement field.
Frequently asked questions
Is excelize or duckdb-wasm more popular?
excelize has 20,924 GitHub stars and duckdb-wasm has 2,121. 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 C++. 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 (20,924 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.