Zasper is an integrated development environment (IDE) specially designed for data science, built from the ground up to support large-scale concurrent processing. It features minimal memory usage, exceptional speed, and the ability to handle numerous concurrent connections. Zasper is highly suitable for running REPL-style data applications like Jupyter Notebook. Its main advantages include efficient concurrent processing and lightweight resource consumption, making it of significant value in the data science field. Currently, Zasper is available as an open-source version, ideal for data scientists and developers.