Download Matrix Screensaver 2.0 for Mac from our website for free. The program lies within Theming Tools, more precisely Screensavers.
From the developer:
Matrix Screensaver is a simple screensaver that simulates the movement of The Matrix code on your monitor. It also have the option to password protect it, so when it activates, you'll need a password to re-enter the Finder.
You may want to check out more software for Mac, such as Matrix Writer, Freezelight Clock screensaver or Priority Matrix - 4-Quadrants Task Management App, which might be related to Matrix Screensaver.