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Avo vs Vault CMS

Avo is a custom CMS built for Ruby on Rails, whereas Vault CMS targets Astro and uses Obsidian.
AvoAvo is a very custom Content Management System for Ruby on RailsVault CMSUse Obsidian as a CMS for your Astro website

Side by side

What it is
Avo:Avo is a customizable admin panel and internal tool framework for Ruby on Rails apps.
Vault CMS:Vault CMS is an open-source headless CMS that lets you use Obsidian as the content editor for Astro sites.
Best for
Avo:Customizable Rails admin panels
Vault CMS:Obsidian-driven content for Astro
Who it’s for
Avo:Rails developers building internal admin interfaces and CRUD tools.
Vault CMS:Developers building Astro websites who want a markdown-based editing experience.
Pricing
Avo:Freemium
Vault CMS:Open source
Plans
Avo:Free $0 · Essentials $75 per month per app · AI Bundle $139 per month per app · Growth $145 per month per app · Everything $249 per month per app
Vault CMS:—
Open source
Avo:Yes, 1,803 GitHub stars
Vault CMS:Yes, 374 GitHub stars
Works with
Avo:Ruby on Rails, API + CLI + LLM Skill, MCP, AI Chat
Vault CMS:Obsidian, Astro
DevHunt upvotes
Avo:44
Vault CMS:1
Launched on DevHunt
Avo:Apr 2024
Vault CMS:Jul 2026

Avo features

  • Permission-based UI. Define granular permissions that apply across the UI, API, and MCP.
  • Audit Trail. All creates, updates, and deletes are recorded for instant change history.
  • AI-assisted admin. AI chat and agents can query, edit, and run actions within user permissions.
  • Reusable Resources. Short Ruby resource files replace generated controllers and views.
  • Dynamic Forms & Fields. Build custom forms, reactive fields, and nested records without extra pages.
  • Global Search & Select-All. Search across all records and perform bulk actions on entire queries.
  • Extensible Add-ons. Add-ons like Kanban, Dashboards, Calendar view, and HTTP resources can be purchased per app.
  • Multi-tenant & i18n Ready. Built-in support for multi-tenant data isolation and internationalization.
Avo on DevHunt →Alternatives

Vault CMS features

  • One-click install. Run pnpm create vault-cms in an Astro project to scaffold the CMS.
  • Auto theme detection. Detects any Astro theme and maps content types and frontmatter automatically.
  • Preconfigured plugins. Includes hotkeys and settings optimized for Astro workflows.
  • CMS-like homepage. Provides a homepage view inside Obsidian using Obsidian Bases.
  • Instant publish option. Optional Git plugin enables instant publishing of changes.
Vault CMS on DevHunt →Alternatives

Based on each tool's website and DevHunt data. Details may change; check the official sites.