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baserCMS
by baserCMS
What baserCMS is
baserCMS is a Japanese open-source content management system for customizing and managing websites. It is free, self-hosted software with web and API access. In its administration area, pages, blogs, forms, and plugin content are organized in a visual tree. The system includes email forms, multiple blogs, an HTML-free block editor, media library, multilingual content, SEO tools, custom user roles, and custom content types. Users can create custom content fields without code. Its REST API serves managed content to external applications and supports JWT authentication. MCP support allows compatible clients such as Claude, ChatGPT, and Visual Studio Code to access and edit content through OAuth 2.1 authorization. BurgerEditor is included as a core plugin for arranging text, images, tables, Google Maps, and YouTube embeds. Version 5 requires Apache, PHP 8.1 or later, and a supported database. The core and listed plugins are free under the MIT License.
Who it suits
It suits web creators and system developers who want to host and customize a CMS themselves. Some learning is needed for customization.
What it does well
- Free core and listed plugins under MIT License
- Visual tree for pages, blogs, forms, plugins
- Custom fields without code
- REST API with JWT authentication
- Multilingual content and SEO tools
What to know first
- Self-hosted setup requires server software and database
- Some learning is needed to customize it
- Technical questions go to the user forum
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| baserCMS | Core and the blog, email form, and feed plugins are free under the MIT License · self-hosted software | Free |
As basercms.net lists them, read 11 Oct 2026. The maker's own page has the final word.
Verdict
baserCMS combines self-hosting with visual content management, custom fields, multilingual support, and API access. It is a practical fit for teams comfortable managing their own installation.
Facts from baserCMS's own pages
- AI integrations
- MCP support lets compatible clients such as Claude, ChatGPT, and Visual Studio Code access and edit content using OAuth 2.1 authorization. · basercms.net, 11 Oct 2026
- API
- A REST API can serve managed content to external applications, with JWT authentication. · basercms.net, 11 Oct 2026
- Built-in tools
- The product includes email forms, multiple blogs, and an HTML-free block editor. · basercms.net, 11 Oct 2026
- Content management
- It manages pages, blogs, forms, and plugin content in a visual tree structure. · basercms.net, 11 Oct 2026
- Custom content
- Users can define custom content fields without code in the administration screen. · basercms.net, 11 Oct 2026
- Custom content types
- Yes · basercms.net, 23 Sept 2026
- Custom user roles
- Yes · basercms.net, 23 Sept 2026
- Editor integration
- BurgerEditor is included as a core plugin and supports arranging page elements such as text, images, tables, Google Maps, and YouTube embeds. · basercms.net, 11 Oct 2026
- Founded
- 2009 · basercms.net, 19 Oct 2026
- Free plan
- Yes · basercms.net, 23 Sept 2026
- Intended users
- The maker describes baserCMS as particularly suited to web creators and system developers, and says some learning is needed to customize it. · basercms.net, 11 Oct 2026
- License
- The core and its blog, email form, and feed plugins are offered at no charge under the MIT License. · basercms.net, 11 Oct 2026
- Media library
- Yes · basercms.net, 23 Sept 2026
- Multilingual content
- Yes · basercms.net, 23 Sept 2026
- Platform type
- self_hosted · basercms.net, 23 Sept 2026
- Requirements
- Version 5 requires Apache, PHP 8.1 or later, and MySQL 8 or later, PostgreSQL 10 or later, or SQLite 3; MariaDB is also supported. · basercms.net, 11 Oct 2026
- Security
- The maker says baserCMS passed vulnerability testing by the VAddy web application security testing service. · basercms.net, 11 Oct 2026
- SEO tools
- Yes · basercms.net, 23 Sept 2026
- Support
- Technical questions are directed to the user forum; the maker says its contact form does not accept technical questions. · basercms.net, 11 Oct 2026
- What it is
- baserCMS is a Japanese open-source CMS for customizing and managing websites. · basercms.net, 11 Oct 2026
Where baserCMS stands on Freedom251
- Content Management Systems#64 of 165