1. ChatGPT (by OpenAI)

What It Does: ChatGPT is a versatile AI chatbot that can answer questions, write essays, generate code, assist with brainstorming, summarize content, and much more. Use Cases: Writing emails, articles, or reports, Coding help and bug fixing, Studying and researching topics, Brainstorming creative ideas. Pro Tips: Use “Act as...” prompts (e.g., “Act as a fitness coach”), Ask follow-up questions to refine responses, Combine with browser extensions for faster access.