ChatGPT is an AI language model developed by OpenAI that can generate human-like text based on the input it receives. It is not open source, but it offers a free plan with limited usage, as well as paid plans for more extensive use. ChatGPT is widely used for tasks such as drafting emails, writing essays, and creating conversational agents.

Microsoft Copilot is designed to assist with a wide range of tasks, from answering questions to providing creative ideas and offering support. It is not open source, but it is available for free, making it accessible to everyone.

Phind is an AI-powered search engine and coding assistant, excellent for finding code snippets and technical solutions; it is free to use.

Google's Bard is a conversational AI that can generate text, answer questions, and brainstorm, and is free to use.

Hugging Face is a platform for open-source AI models, offering a wide range of tools for text and code; many of their models are free to use.

Codeium is an AI-powered code completion and code generation tool that is free for individual users.

Claude is an AI-first chatbot designed to be a conversational AI tool; it is free to use.

Google AI Studio is a free web-based platform that allows experimenting with Google's large language models for text and code generation.

Llama 2 is an open-source large language model from Meta that can be accessed via a variety of platforms, often with free options.

Ideogram.ai is a free AI image generation tool that allows users to create unique images by simply describing what they want to see. It offers a variety of styles, including realistic, design, 3D, and anime, and provides enhanced control over image style and color palette2. While the basic features are free, premium features are available via subscription plans.

Leonardo.ai is a versatile AI-powered tool designed for creating high-quality images, videos, and 3D assets. It offers a range of models and settings to cater to different artistic styles, from photorealism to anime. Leonardo.ai is not open source, but it provides a free plan with premium features available via subscription.

Microsoft Designer Image Creator is a free AI-powered tool that allows users to generate images from text descriptions. It leverages the power of DALL-E to create high-quality, vivid images based on user prompts. This tool is not open source, but it is available for free, making it accessible for various creative projects.

NightCafe Studio is an AI art generator that allows users to create stunning artworks using various AI models like Stable Diffusion, DALL-E, and VQGAN+CLIP. It is not open source, but it offers a free plan with unlimited base generations and additional features available through paid plans.

Piclumen is an AI image generator offering a variety of artistic styles with a free tier.

Playground AI is a free online AI image generation tool that provides a user friendly way to access a variety of different AI models, including Stable Diffusion.

SeaArt is a free online AI image generation platform with a wide variety of styles and customization options.

Invoke AI is an open-source tool for powerful image generation and editing, based on Stable Diffusion, with various free web implementations.

RunDiffusion is an online Stable Diffusion platform, making it easy to get started with creating AI art, and offers a free tier.

Stable Diffusion is a powerful, open-source text-to-image model accessible via many free online platforms.

Suno.com is an AI-powered music creation platform that allows users to create songs using just their imagination and a few words. It is designed for everyone, from casual music enthusiasts to professional artists, breaking down barriers to music creation. Suno.com is not open source, but it offers a free plan, making it accessible to a wide range of users.

Fadr is an AI-powered music creation tool that allows users to easily create and experiment with music, with an emphasis on user friendly and intuitive design. It has a free tier with paid tiers as well.

Google Labs Music FX is an experimental AI tool for generating and experimenting with music, focusing on text to music, with a very simple interface.

Google Labs Music FX DJ is a tool for remixing music, designed to be simple and user friendly, as well as a fun way to experiment with different audio combinations.

Mubert is an AI music generation platform that creates royalty-free music in a variety of styles and genres, offering a free tier with limited functionality.

AudioCraft is a suite of open-source tools for audio generation and processing developed by Meta, offering a variety of free AI tools.

Stable Audio is an AI music and audio generation tool developed by Stability AI, which has a free tier with limited credits.

Riffusion is a real-time AI music generator that uses diffusion models to create music based on text prompts and is free and open source.

Songmastr is a music creation and editing tool that uses AI to help with mastering, arrangement, and mixing, which is free to use with a watermark.

MusicGen is one of the AI models in AudioCraft, and it is used to generate audio based on text or melodies, and is available for free on the HuggingFace platform.