Google Charts - Interactive charts for browsers and mobile devices.
Virtual Audio Cable - Ever wanted to record your speaker output? (loopback) This is for you.
ZingChart - ZingChart is a fast, modern, powerful JavaScript charting library for building animated, interactive charts and graphs. Bring on the big data!
Loopback by RogueAmoeba - Get all the power of a high-end studio mixing board, right inside your Mac!
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
JACK Audio Connection Kit - JACK Audio Connection Kit|Home