head to head · open source
Billion Mail vs duckdb-wasm
Billion Mail has 16,185 GitHub stars, 1,803 forks, 236 open issues and last shipped 5 months ago. duckdb-wasm has 2,162 stars, 240 forks, 189 open issues and last shipped yesterday. Billion Mail leads on adoption by 649% (16,185 vs 2,162 stars). Billion Mail is written in Go under AGPL-3.0; duckdb-wasm is written in TypeScript under MIT. Billion Mail has attracted 11% 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.
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
| Billion Mail | duckdb-wasm | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 2.2K |
| License | AGPL-3.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-06-11 | 2026-11-04 |
| Forks | ⑂ 1.8K | ⑂ 240 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Billion Mail if
- You weight community size — 16K 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 TypeScript
- You evaluated both and duckdb-wasm fits your workflow better
About Billion Mail
BillionMail 📧 An Open Source MailServer, NewsLetter, Email Marketing Solution for Smarter Campaigns [![][license shield]][license link] [![][docs shield]][docs link] [![][github release shield]][github release link] [![][github stars shield]][github stars link] English 简体中文 日本語 Türkçe What is BillionMail? BillionMail is a future open source Mail server, Email marketing platform designed to help businesses and individuals manage their email campaigns with ease. Whether you're sending newsletters, promotional emails, or transactional messages, this tool will provide full control over your email marketing efforts…
read the full Billion Mail 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 Billion Mail or duckdb-wasm more popular?
Billion Mail has 16,185 GitHub stars and duckdb-wasm has 2,162. Billion Mail has the larger community by that measure.
Are Billion Mail and duckdb-wasm free?
Both are open source. Billion Mail is licensed under AGPL-3.0 and duckdb-wasm under MIT. Neither carries a licence fee.
What is the difference between Billion Mail and duckdb-wasm?
Billion Mail 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, Billion Mail or duckdb-wasm?
Choose Billion Mail if you want the larger community (16,185 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.