Rubin Propel Advanced helps individuals craft professional emails by providing structured assistance throughout the writing process. The tool features an intuitive outline for essential sections like greetings and closings, alongside a slang library to weed out casual expressions. By analyzing drafts, it offers real-time feedback aimed at increasing professionalism and soft skills, making it ideal for students and professionals alike who want to refine their email correspondence.

ChatKuma is designed to optimize the use of ChatGPT by integrating features such as online search, drawing capabilities, and a detailed knowledge base powered by OpenAI's API. Users can interact with these features through a user-friendly interface, enabling efficient and effective communication with the AI. The integration allows the extension to provide real-time information, visuals, and contextual knowledge, making it a versatile tool for various applications, whether for personal use, educational purposes, or professional tasks.