AI tools and platforms (free)

There are several AI tools and platforms that offer free tiers or versions for users to get started with. Here's a list of some popular ones:

1. 1.TensorFlow: An open-source machine learning framework developed by Google. It offers a free version for developers to use.

2. 2.PyTorch: Another popular open-source machine learning framework maintained by Facebook's AI Research lab. It's free to use and widely used in research and industry.

3. 3.Scikit-learn: A simple and efficient tool for data mining and data analysis, built on NumPy, SciPy, and matplotlib. It's open-source and free to use.

4. 4.Keras: An open-source neural network library written in Python that runs on top of TensorFlow or Theano. It's free to use and provides a user-friendly interface for building and training neural networks.

5. 5.OpenAI Gym: A toolkit for developing and comparing reinforcement learning algorithms. It's open-source and free to use.

6. 6.IBM Watson Studio: IBM offers a free tier of Watson Studio, a comprehensive AI platform for data scientists, developers, and subject matter experts. It provides tools for data exploration, model development, and deployment.

7. 7.Google Cloud AI Platform: Google offers various AI tools and services on its cloud platform, including AutoML, AI Platform Notebooks, and TensorFlow Extended (TFX). Google Cloud Platform (GCP) offers a free tier with limited usage.

8. 8.Microsoft Azure Machine Learning: Microsoft Azure provides a suite of AI and machine learning services, including Azure Machine Learning Studio. It offers a free tier with limited capabilities.

9. 9.H2O.ai: An open-source platform for AI and machine learning that offers both free and paid versions. The free version includes H2O-3, a distributed machine learning platform.

10. 10.Rasa: An open-source conversational AI platform for building chatbots and virtual assistants. It's free to use and offers tools for natural language understanding and dialogue management. These are just a few examples, and there are many other AI tools and platforms available with free versions or open-source licenses. Be sure to check the terms and conditions of each tool to understand any limitations or usage restrictions associated with the free tier.