Stimfit is a Home & Education software developed by Christoph Schmidthieber. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Stimfit:
BSEditor: Stimfit is a free, fast and simple program for viewing and analyzing electrophysiological data. It's Currently available for GNU/Linux, Mac OS X and Windows. It features an embedded Python shell that allows you to extend the program functionality by using numerical libraries such as NumPy and SciPy. A standalone Python module for File I/O that doesn't depend on the graphical user interface is also available. you can free download Stimfit 0.10.23 now.