Ondros CMS — A Contentful-style open-source headless CMS built with FastAPI, Next.js, and Postgres/PgVector. Multi-tenant spaces & environments, rich content modeling, delivery/preview/management APIs, and a live-preview visual editor with guideline-aware AI (Groq, Gemini, Ollama).
webhooks multi-tenant localization nextjs postgresql content-management-system headless-cms visual-editor content-modeling fastapi pgvector contentful-alternative
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Updated
Sep 25, 2026 - TypeScript