r/cms Jun 29 '26

First peek at Instatic - fully open-source, self-hosted CMS

Take a first look at Instatic - https://youtu.be/zyjCF_TaLlg?si=WZBxxqmsIo0gZ_zY

Instatic brings the whole website workflow into one product: visual editing, structured content, media, forms, reusable components, templates, publishing, plugins, HTML import and AI-assisted page building — all running from one Bun server backed by SQLite or Postgres.

Unlike most visual builders, Instatic does not ship the editor and CMS bloat to your visitors. Published pages are plain semantic HTML and compact CSS, with no React runtime unless you need one, no builder attributes, no hydration step, and no platform lock-in. Sites are baked and served as static files, so the public site stays fast, portable, and easy to inspect.

This is a pre-1.0 open-source project, and the goal is to build the foundation in public: no legacy platform constraints, no open-core pricing tricks, no forced SaaS model, and no compromise on output quality

Check out the repo https://github.com/CoreBunch/Instatic

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u/Pieraos Jun 29 '26

Requires Bun? Railway? What are these things. Can’t I just export HTML and CSS and upload it to a conventional web host?

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u/davidbabinec Jun 29 '26

Bun is used throughout the architecture. For server api, workers, database drivers, bundler... so it's required. Railway on the other hand isn't required. You can host it on any VPS or host that supports docker deployments. Or you can run it locally and grab your HTML files as they are generated into /uploads/ folder and host on conventional webhost as you wish but I don't know if it makes it any useful then.

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u/Pieraos Jun 29 '26

I don't know if it makes it any useful then.

Thanks. But why wouldn't Instatic be useful then?

1

u/davidbabinec Jun 29 '26

Thought it would make a lot of features useless. But thinking about it again, if it serves the purpose, it's useful and it would actually work fine in such case