Intuitive graphical application development for data acqusition DASYLab is an intuitive graphical data acquisition development software package that serves the user who requires customized applications but doesnt have the time, training, or inclination to write code. With DASYLab, you can quickly develop data acquisition and control applications simply by creating a flowchart in which functions are connected by wires.Over 90 Data Acquisition, Control, Processing, and Display Functions DASYLab offers extensive DAQ function libraries in the following categories/modules (module availability differs by version):