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Sparktype

a CMS and SSG that runs entirely in the browser

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Hi HN,After trying to teach a non-technical friend how to manage a Jekyll site I decided there must be a way to make building a site with a SSG easier. Options like Decap, Contentful etc. do make it a bit easier but still take lots of tech knowledge to set up.So I built Sparktype, a browser-based CMS that outputs statically-generated HTML and CSS. My goal is for it to be as easy to use as Substack or Medium, while providing all the benefits of a static site generator including openness, simplicity, speed, security and ownership.It handles most things that you'd need from a CMS, including creating pages, image resizing, menu management, tags, collections, listings etc. I've only made two themes so far, but I'm working on a theme store and the ability to import custom themes.Content is saved as plain Markdown + YAML frontmatter and JSON config files, so there's no lock-in and content is easily portable to other platforms. Generated sites can be exported as a zip file to upload via FTP, committed to Github or published via Netlify API.I'm working on cross-platform client apps using Tauri which will enable more publishing options as its not limited by what can be done in a client-only environment.The way the system works means that the Web doesn't need to be the only interface to the content - here's a simple Go-based CLI client that bypasses the HTML altogether https://github.com/sparktype-project/sparktype/tree/main/st-...It's very early days and there are still plenty of bugs, but I'm posting now to hopefully get feedback and see what people think. Please do let me know!

HN · launched Nov 4, 2025 · 48 upvotes (top 17%) · 0 views

Niche: static site generators · 16 launches, 0 in the last 7 days · Explore this niche →

Category and tags

  • Horizontal
  • Dev tools
  • Developer
  • Not AI
  • Hobby / open-source project

Visit website ↗ Source listing ↗

Could you build this?

Yes An in-browser static site generator and CMS can be assembled using browser storage (IndexedDB/OPFS), a client-side templating engine, and GitHub/GitLab API integrations.

Discussion

11 comments analyzed.

Competitors mentioned: Publii, Jekyll, 11ty, Astro, Ghost

Concerns raised: Mobile doesn't work well, FTP support requires proxy service, Credentials not persisted across browser sessions, Authentication error with atob decoding

Feature requests: Environment variable import or auth server, Auto light/dark theme adjustment, FTP publishing support, Pre-configured template sites for easy setup

Competitors

Other products that read as similar to this one : 232 launches clear the similarity bar, closest 8 shown.

Attention rank: #49 of 233 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 4 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.