head to head · open source
duckdb vs mjml
duckdb has 42,747 GitHub stars, 4,176 forks, 858 open issues and last shipped yesterday. mjml has 723 stars, 253 forks, 35 open issues and last shipped 5 days ago. duckdb leads on adoption by 5,812% (42,747 vs 723 stars). duckdb is written in C++ under MIT; mjml is written in TypeScript under BSD-3-Clause. duckdb has attracted 10% as many forks as stars, mjml 35%. duckdb 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
| duckdb | mjml | |
|---|---|---|
| GitHub stars | ★ 43K | ★ 723 |
| License | MIT | BSD-3-Clause |
| Written in | C++ | TypeScript |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 4.2K | ⑂ 253 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick duckdb if
- You weight community size — 43K stars and counting
- You want the MIT license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick mjml if
- You want the mjml feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches TypeScript
- You evaluated both and mjml fits your workflow better
About duckdb
DuckDB DuckDB is a high performance analytical database system. It is designed to be fast, reliable, portable, and easy to use. DuckDB provides a rich SQL dialect with support far beyond basic SQL. DuckDB supports arbitrary and nested correlated subqueries, window functions, collations, complex types (arrays, structs, maps), and several extensions designed to make SQL easier to use. DuckDB is available as a standalone CLI application and has clients for Python, R, Java, Wasm, etc., with deep integrations with packages such as pandas and dplyr. For more information on using DuckDB, please refer to the DuckDB…
read the full duckdb overview →
About mjml
GrapesJS MJML Requires GrapesJS v0.15.9 or higher This plugin enables the usage of MJML components inside the GrapesJS environment. MJML components are rendered in real time using the official v4 compiler (+ some mocks to make it run in the browser), therefore the result is, almost, the same as using the MJML Live Editor. Demo Supported MJML components (using default mjml browser parser): mj mjml mj head mj body mj wrapper mj group mj section mj column mj text mj image mj button mj social mj social element mj divider mj spacer mj style mj font mj hero mj navbar mj navbar link mj raw Options Download npm i…
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Frequently asked questions
Is duckdb or mjml more popular?
duckdb has 42,747 GitHub stars and mjml has 723. duckdb has the larger community by that measure.
Are duckdb and mjml free?
Both are open source. duckdb is licensed under MIT and mjml under BSD-3-Clause. Neither carries a licence fee.
What is the difference between duckdb and mjml?
duckdb is written in C++ and mjml 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, duckdb or mjml?
Choose duckdb if you want the larger community (42,747 stars) or its MIT licence terms. Choose mjml if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.