Tools
One complete guide per tool: what it does, how to use it, free vs paid, and privacy settings.
How to use ChatGPT: the complete guide (2026)
From opening chatgpt.com to really getting the most out of it: account, plans, temporary chat, memory, privacy settings and requests that work.
ComfyUI: what it is and how to start creating AI images on your computer
A beginner’s guide to ComfyUI and Comfy Desktop: official requirements, installation on Windows and Mac, nodes and workflows, offline use, privacy and limits.
Hermes Agent: what it is, who it’s for and how to install it step by step
A guide to Hermes Agent, Nous Research’s open-source AI agent: requirements, installing the desktop app, first settings, privacy, limits and precautions.
NotebookLM (now Gemini Notebook): what it is and how to use it for study and work
A practical guide to Gemini Notebook, Google’s former NotebookLM: supported sources, official limits, audio overviews, research and privacy, step by step.
Ollama: how to use AI models on your computer, offline
A beginner’s guide to Ollama: what it is, memory requirements, installation on Windows, Mac and Linux, first model, local-only mode, privacy and limits, from the official documentation.
OpenBot: what it is and how to use a team of AI agents on your computer
A guide to OpenBot (openbot.run), the free desktop app for working with agents such as Codex, Claude Code or Gemini using your AI plans: requirements, installation, privacy and precautions.
Perplexity: what it is and how to search with AI that cites sources
A practical guide to Perplexity, the AI search engine that answers with citations: free plan vs Pro, how to check sources and when it beats ChatGPT or Gemini.
OpenClaw: what it is and how to have your AI assistant in WhatsApp or Telegram
A guide to OpenClaw, the open-source AI assistant that runs on your own computer and replies from your messaging apps: requirements, installation, safe configuration and limits.
Coming soon
- Gemini: a practical guide to get started
- Copilot in Word, Excel and Outlook
- Claude: practical guide