Pickaxe is an AI tool that allows users to build, manage, and deploy custom GPT-4 apps without needing to write code. Users can inject AI prompt into websites, data, and workflows, and train AI using various contexts such as PDF, websites, and document responses. Their no-cod interface and visual prompt-frame builder cater to non-technical users. Pickaxe offers various tools such as a spin doctor and a trivia generator, and they have partnership plans available for those looking for customized and scalable solutions.