X-Up is an early-stage accelerator for technological and innovative startups. It provides 6-months, renewable once, acceleration cycle to up to 15 startups of various sectors: IOT, hardware, data science, artificial intelligence, robotics, healthcare, fintech and cleantech. The coaching is heavily based on mentoring and is developed around high-level workshops inciting the circulation of ideas. Accelerated startups work in close interaction with the École Polytechnique ecosystem.