Vtop is a free and open-source activity monitor for the command line. Itβs written in node.js and can be easily extended. It uses Unicode braille characters to draw CPU and Memory charts, helping you visualize spikes. We also group processes with the same name together. We calculate the CPU percentage as a total of your overall system power. 100% is all cores and HyperThreads maxed out. This is different to how Apple Activity monitor works. If your terminal supports mouse events (like iTerm)...
Ajax/php interface to mpd (media player daemon). Web backend is PHP; manager for known songs is cli Python; known songs are stored in MySQL; more info to follow later.
OS independent RS232 remote control. Java-based server (console), easy adjustable HTML GUI, local/internet use, incl. device driver API and drivers (e.g. EIKI LC-XM1/SM1/VM1!!)