Vizalyze is a desktop app (Windows, macOS, Linux) for engineers who analyze measurement, test and lab data. Every one of its 31+ formats opens free, including MDF/MF4, TDMS, HDF5, MATLAB .mat, Parquet, CSV/Excel and chromatography files. Plot, compare runs and inspect signals at no cost. Pro adds signal processing (FFT, PSD, filters), statistics and regression, batch PPTX/Word/PDF reporting, workflows, cloud sync and all five analysis packs: Automotive & EV (CAN/LIN decoding with DBC/ARXML), Scientific & Simulation, Lab & Instruments, Big Data & Analytics, and Pharma/Analytical Chemistry. Axy, the built-in AI assistant, helps you explore data. Raw data stays on your machine. A lower-cost, local-first alternative to NI DIAdem, MATLAB, Origin and Minitab for automotive, battery, hydrogen, pharma and general test engineering teams. Free tier forever; Pro $49/month; Team $89/seat/month. New accounts get a free 14-day Team trial, no credit card.