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Harp

Free#28 of 35 in Static Site Generators

Harp: A focused open-source choice for Node.js sites that need preprocessing and static output. Ranked #28 of 35 in Static Site Generators by our editors (6.5/10); pricing: Free plan; best for simple Node.js sites with preprocessing.

6.5/10Editor score
Visit Harp
Harp6.5 Visit Harp

At a glance

  • Editor score
    6.5 / 10
  • Pricing
    Free plan
  • Best for
    Simple Node.js sites with preprocessing
  • Free plan
    Yes
  • Paid from
    Free
  • Content sources
    Markdown
  • Facts checked
    22 Sep 2026
Harp screenshot

  • Where it wins

    • Preprocesses Markdown, EJS, Jade, LESS, Sass, Stylus, and CoffeeScript
    • Compiles projects into deployable HTML, CSS, and JavaScript files
    • Works with layouts, partials, metadata, caching, and live compilation

  • Where it doesn't

    • Focused on static sites and client-side applications
    • Requires developer-oriented Node.js and command-line workflows
    • No built-in AI features

Our verdict on Harp

Harp is an open-source, Node.js-based static web server and generator for developers creating static sites or client-side applications. It supports Windows, macOS, and Linux, and its workflow centers on preprocessing source files into static HTML, CSS, and JavaScript. Markdown, EJS, Jade, LESS, Sass, Stylus, and CoffeeScript are supported without configuration, making Harp a fit for solo developers and small teams that want several preprocessing options in one tool.

Its strongest area is the connection between local development and deployable output. Harp provides a local development web server with live request compilation, command-line project initialization, layouts and partials for reusable structures, and directory and site metadata through JSON data files. Production-mode caching is also included. Express and Node.js middleware usage extends its fit for existing Node.js projects, while deployment integrations include GitHub Pages, Netlify, Cloudflare Pages, Amazon S3, Heroku, Microsoft Azure, Apache Cordova, and PhoneGap.

Harp is free and open source, with self-hosted deployment rather than a hosted publishing service. The published feature set makes it a practical choice for straightforward Node.js sites where preprocessing, local compilation, and static files matter more than a broad content workflow. It is less suitable for teams seeking a wider modern content system or built-in AI features. Developers who want control over their local server and deployment path should consider Harp; teams looking for a more expansive content workflow should compare other static site generators.

Your product? Our editors can test Harp in depth and publish a review, labelled as paid · from $149/mo →

Harp pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on harp.sh

Harp fact sheet

Free planYes
Paid fromFree
Content sourcesMarkdown
CMS integrationNot verified
Incremental buildsNot verified
Multilingual supportNot verified
Local preview serverYes
Supported languagesNode.js, JavaScript, CoffeeScript
DeploymentSelf-hosted
PlatformsWindows, macOS, Linux
SupportDocs, Community, Tickets
Built forSolo, Small business (editorial estimate)
Integrations10 integrations: Express, Node.js, GitHub Pages, Netlify, Cloudflare Pages, Amazon S3 …
PricingFree plan
Websiteharp.sh
Facts checked22 Sep 2026

Harp integrations

Harp lists 10 integrations on its own site.

  • Express
  • Node.js
  • GitHub Pages
  • Netlify
  • Cloudflare Pages
  • Amazon S3
  • Heroku
  • Microsoft Azure
  • Apache Cordova
  • PhoneGap

Alternatives to Harp

See all Harp alternatives →

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Featured on iTechGuides

Featured on iTechGuides — Harp 6.5/10

Harp is listed in our Static Site Generators directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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