Metalsmith vs Middleman
A side-by-side comparison of two self-hosted blogging platforms options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Metalsmith | Middleman |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 68 · Good | 89 · Excellent |
| Category | Blogging Platforms | Blogging Platforms |
| License | MIT | MIT |
| Language | JavaScript | Ruby |
| Setup difficulty | Medium | Medium |
| Min. RAM | 128 MB | 256 MB |
| Deployment | source, binary | source, binary |
| GitHub stars | ★ 7,822 | ★ 7,111 |
| First released | 2014 | 2009 |
| Replaces | WordPress, Jekyll | Jekyll, WordPress |
What are Metalsmith and Middleman?
Metalsmith
Metalsmith is a static site generator that treats every site as a series of plugins manipulating files, making it suitable for blogs, project pages, and documentation. All functionality, including Markdown rendering and templating, is provided by plugins.
- Everything is a plugin
- Pipeline architecture
- Markdown and templating plugins
- Static output
Middleman
Middleman is a static site generator using all the shortcuts and tools in modern web development, including templating, asset pipelines, and helpers. Its blogging extension turns it into a full static blog engine.
- Asset pipeline
- Blogging extension
- Helpers and partials
- Static output
Metalsmith vs Middleman: key differences
Metalsmith is written in JavaScript, while Middleman is built with Ruby. Metalsmith is the lighter option, starting around 128 MB of RAM against 256 MB for Middleman. Middleman is the more established project (first released 2009), while Metalsmith arrived in 2014.
Why pick each one
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
Choose Middleman if…
- Released under the MIT license
- Mature project with 7.1k GitHub stars
- Written in Ruby
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Metalsmith or Middleman better?
Neither is universally better. Metalsmith has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Metalsmith and Middleman free and open-source?
Yes. Metalsmith is licensed under MIT and Middleman under MIT. Both can be self-hosted at no software cost.
Can I run Metalsmith and Middleman with Docker?
Metalsmith: check the project docs for container support. Middleman: check the project docs for container support.
Which is lighter on resources, Metalsmith or Middleman?
Metalsmith has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Middleman. Real-world usage depends on library size, user count, and enabled features.