If you're looking for open-source alternatives that never require a license or crack, you might consider (with the spectroscopy add-on) or Python-based tools like the Trajectools plugin for QGIS if your data has a spatial component.
Using a cracked version of Spectragryph can pose several risks, including:
Spectragryph is a powerful software designed for analyzing and processing spectral data, widely used in various fields such as chemistry, physics, and materials science. It's known for its user-friendly interface, flexibility, and robust features that enable users to perform a variety of tasks, from basic data manipulation to advanced analysis and visualization.
Spectragryph is highly regarded in the scientific community because it is free for non-commercial use