Cobalt vs Metalsmith
A side-by-side comparison of two self-hosted blogging platforms options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Cobalt
Static site generator written in Rust
VS
Metalsmith
Extremely simple pluggable static site generator
| Feature | Cobalt | Metalsmith |
|---|---|---|
| Category | Blogging Platforms | Blogging Platforms |
| License | MIT | MIT |
| Language | Rust | JavaScript |
| Setup difficulty | Easy | Medium |
| Min. RAM | 64 MB | 128 MB |
| Deployment | binary, source | source, binary |
| GitHub stars | ★ 1,535 | ★ 7,822 |
| First released | 2015 | 2014 |
| Replaces | Jekyll, Hugo | WordPress, Jekyll |
Why pick each one
Choose Cobalt if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Active community (1.5k GitHub stars)
- Written in Rust
Choose Metalsmith if…
- Released under the MIT license
- Mature project with 7.8k GitHub stars
- Written in JavaScript
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is Cobalt or Metalsmith better?
Neither is universally better. Metalsmith has the larger community, while Cobalt is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Cobalt and Metalsmith free and open-source?
Yes. Cobalt is licensed under MIT and Metalsmith under MIT. Both can be self-hosted at no software cost.
Can I run Cobalt and Metalsmith with Docker?
Cobalt: check the project docs for container support. Metalsmith: check the project docs for container support.