- python: backend language 
- fastAPI: Rest-API framework, Async, OpenAPI Docs
- Pydantic: Validate API 
- SQLAlchemy: ORM
- Alembic: Migrations
- Postgres: Relational database 
- pgvector: Vector columns for search, RAG search
- Redis: Cache for backend-frontend communication 
- Ollama: LLM for chat / planning and LLM for embeddings
- Vue: Frontend and admin framework with router and pinia as SPA
- Meilisearch: Search server with fulltext
- Mailhog: Dummy mailing