Is Blume 2.0 free to use?

Yes, Blume is described as free and open source, forever.

Can I upgrade an existing Blume 1 site?

Yes. Blume 1 sites can be moved to Blume 2 with one command, and an upgrade guide covers individual config changes. The upgrade can also be delegated to coding agents such as Codex or Claude Code.

Do I need to write code or configuration to use Blume?

No. Blume is zero-config: you drop Markdown files into a folder and ship a production-grade docs site without writing app boilerplate.

Blume 2.0

The open-source docs framework for humans and agents

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HiCyou directory record

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Listed website: useblume.dev
Directory record created: Oct 5, 2026
Last record update: Oct 5, 2026

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Overview
5 key features
3 use cases

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What is Blume 2.0

Blume 2.0 is a free, open-source documentation framework designed for humans and AI agents. It lets teams drop Markdown files into a folder and ship a fast, AI-ready, production-grade docs site with zero configuration and no app boilerplate to write or maintain. Existing Blume 1 sites can be upgraded with a single command, using a provided upgrade guide that can also be handed off to coding agents like Codex or Claude Code.

Key Features

Zero-config setup: drop Markdown into a folder to build a docs site

Fast, AI-ready output suitable for human readers and AI agents

No app boilerplate to write or maintain

One-command migration from Blume 1 with an upgrade guide

Free and open source

Use Cases

Shipping production-grade documentation sites for software products
Making docs easily consumable by AI coding agents and assistants
Upgrading existing Blume 1 documentation sites with minimal effort

Why do startups need this tool?

Startups can get a fast, AI-ready documentation site live quickly without maintaining boilerplate or configuration, and the open-source nature means no licensing cost. Its AI-ready output also makes docs usable by modern coding agents.