SiVi is a Windows MDI (Multiple-Document Interface) application for visualization of sinusoidal, triangular or combined signals. It could read from and save signals to files and draws graphic of the signals to visualize them.
SiVi MDI application
SiVi showing combined (sinusoidal and triangular) signal
SiVi showing sinusoidal with amplitude 5 and frequency 680
SiVi showing triangular signal with amplitude 3 and frequency 3400
The source code of this application is licensed under GPL version 2 (see file LICENSE).