Pure Data
Download the latest release, old versions and the Pure Data port for Max/MSP directly here from Miller Puckette's website:
Selected Pure Data Externals and Libraries
IEM Graz Library: Interface with Pd
Connect, Send and Receive Data and Messages
pd.iem.sh/interface-pd-with/#websocket
Vector Synthesis with Pure Data
This library allows the creation and manipulation of vector shapes using audio signals sent directly to oscilloscopes, modified Vectrex consoles, ILDA laser displays, and oscilloscope emulation software using the Pure Data programming environment.
Needs Pure Data 0.49 or newer.
github.com/macumbista/vectorsynthesis
Tip: Good Oscilloscope Software to Display Results
github.com/kritzikratzi/Oscilloscope/releases/tag/1.0.9
Hold SHIFT key when selecting input for third channel brightness control.
The Z axis should control the brightness of the beam, not 3D depth.
Pure Data Ports and Derivatives
plugdata
plugdata is a free/open-source visual programming environment based on pure data. It is available for a wide range of operating systems, and can be used both as a standalone app, or as a VST3, LV2, CLAP or AU plugin.