The tools you actually need, and the ones you don’t.

A curated guide to the platforms, frameworks, and infrastructure that make AI deployments work in practice.

Tool Guides

  • n8n — Workflow automation and AI agent orchestration
  • Ollama — Local open-source LLM serving
  • vLLM — Production-scale inference
  • Zapier — No-code automation; cloud-only, per-task pricing
  • Open WebUI — Browser chat interface for self-hosted LLMs
  • LiteLLM — Unified API gateway with fallback and cost routing
  • Langfuse — LLM observability, cost tracking, and evaluation
  • Flowise — Low-code agent builder for RAG pipelines and multi-agent workflows

Core Concepts

Layer Hubs


Each tool guide will include: what it does, what it costs, where it breaks, and how to recover.