Aigur Client is a free and open-source AI tool that can help users create and execute fully-typed AI pipelines. It supports Aigur and offers pipeline management and analytics. Users can modify and enhance text and audio inputs, generate text and images, and perform speech-to-text and text-to-speech conversions using various AI frameworks such as GPT-3 and Hugging Face. Aigur Client also includes custom nodes, pipeline validation, and user memory. Examples of pipelines include image-to-poem and text summarization with audio output.