MarsCode is an online code practice platform aimed at programming learners. By integrating advanced AI technology with a full-featured code editor, it offers users an efficient and practical learning environment. The platform features over 100 authentic questions from prominent companies to help users accurately master programming concepts and enhance their algorithm skills, thereby successfully securing their desired job opportunities. Its primary advantage is the AI coaching feature, which provides instant assistance for programming queries, detailed problem-solving strategies, and methods. Additionally, the native IDE experience allows users to practice coding more fluently. The product is developed by Beijing Inertia Slingshot Technology Co., Ltd., positioned as an auxiliary tool in programming education. The pricing strategy is not yet clear, but a free trial is available.