You.com is a free privacy-focused AI search and assistant with customizable apps for writing, research, image generation, and personalized answers serving users worldwide.

Pi is a free personal AI companion by Inflection designed for empathetic, ongoing conversations, advice, brainstorming, and support with unlimited usage for users around the world.

NotebookLM by Google is a free experimental AI tool that transforms uploaded documents, notes, and sources into audio overviews, summaries, study guides, and interactive insights instantly.

Goblin.tools is a free collection of practical AI utilities for task management, text formalizing, estimation, and brainstorming, especially helpful for neurodivergent individuals worldwide.

Poe is a popular free platform that gives access to multiple leading AI models like GPT-4o, Claude 3.5, Gemini, Llama, and thousands of custom bots with generous daily quotas for worldwide users.

ChatPDF is a free AI tool that lets users upload PDFs to ask questions, get summaries, extract information, and gain insights from documents quickly and securely worldwide.