Here are some popular and useful AI tools that are widely used globally:

Virtual Assistants:

1、Google Assistant (google.com/assistant): A virtual assistant that can perform various tasks, such as setting reminders, providing information, and controlling smart home devices.
2、Amazon Alexa (amazon.com/alexa): A virtual assistant that can control smart home devices, play music, and provide information.
3、Microsoft Cortana (microsoft.com/cortana): A virtual assistant that can help with tasks, such as setting reminders, sending emails, and searching the web.

Language Translation:

1、Google Translate (translate.google.com): A popular translation tool that can translate text, speech, and websites in over 100 languages.
2、DeepL (deepl.com): A translation tool that uses AI to provide accurate and naturalsounding translations.

Image and Video Generation:

1、Deep Dream Generator (deepdreamgenerator.com): An AIpowered tool that generates surreal and dreamlike images from any image.
2、Prisma (prisma.ai): An AIpowered app that transforms photos into works of art in the style of famous artists.

Chatbots:

1、Replika (replika.ai): A chatbot that uses AI to have conversations and learn about the user's personality and interests.
2、Woebot (woebot.chat): A chatbot that uses AI to provide mental health support and counseling.

Content Generation:

1、WordLift (wordlift.com): An AIpowered content generation tool that helps with writing, editing, and optimizing content.
2、AI Writer (aiwriter.com): A tool that uses AI to generate highquality content, such as blog posts and articles.

Productivity and Organization:

1、Trello (trello.com): A project management tool that uses AI to automate tasks and workflows.
2、RescueTime (rescuetime.com): A time management tool that uses AI to track how you spend your time on your computer or mobile device.

Education and Learning:

1、Duolingo (duolingo.com): A languagelearning platform that uses AI to provide personalized lessons and exercises.
2、Khan Academy (khanacademy.org): A nonprofit educational platform that uses AI to provide personalized learning recommendations.

Other notable mentions:

1、IBM Watson (ibm.com/watson): A cloudbased AI platform that provides a range of tools and services for businesses and developers.
2、Adobe Sensei (adobe.com/sensei): An AIpowered platform that provides a range of creative and marketing tools.

These are just a few examples of the many useful AI tools available globally、The landscape is constantly evolving, and new tools and platforms are emerging all the time.