head to head · open source
Listmonk vs duckdb-wasm
Listmonk has 23,472 GitHub stars, 2,607 forks, 111 open issues and last shipped 5 days ago. duckdb-wasm has 2,121 stars, 227 forks, 189 open issues and last shipped 2 months ago. Listmonk leads on adoption by 1,007% (23,472 vs 2,121 stars). Listmonk is written in Go under AGPL-3.0; duckdb-wasm is written in C++ under MIT. Listmonk has attracted 11% as many forks as stars, duckdb-wasm 11%. Listmonk was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Listmonk | duckdb-wasm | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 2.1K |
| License | AGPL-3.0 | MIT |
| Written in | Go | C++ |
| Last push | 2026-09-13 | 2026-07-28 |
| Forks | ⑂ 2.6K | ⑂ 227 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Listmonk if
- You weight community size — 23K stars and counting
- You want the AGPL-3.0 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 Listmonk
Listmonk is a standalone, self hosted newsletter and mailing list manager in the open source business software and marketing customer engagement ecosystem. It packages campaign management, subscriber management, and email delivery controls into a single binary application with a modern dashboard, and it uses PostgreSQL as its data store.
read the full Listmonk 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 Wasm…
read the full duckdb-wasm overview →
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Frequently asked questions
Is Listmonk or duckdb-wasm more popular?
Listmonk has 23,472 GitHub stars and duckdb-wasm has 2,121. Listmonk has the larger community by that measure.
Are Listmonk and duckdb-wasm free?
Both are open source. Listmonk is licensed under AGPL-3.0 and duckdb-wasm under MIT. Neither carries a licence fee.
What is the difference between Listmonk and duckdb-wasm?
Listmonk 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, Listmonk or duckdb-wasm?
Choose Listmonk if you want the larger community (23,472 stars) or its AGPL-3.0 licence terms. Choose duckdb-wasm if its feature set, stack or MIT licence fits better. Both are self-hostable.