PlatformIO Debugger is fully open sourced and you can use it for free even for commercial products. It is a part of the PlatformIO OSS project.
PlatformIO Labs (the legal company behind the PlatformIO OSS project) developed multiple solutions for enterprise customers based on PlatformIO OSS and its expertise. Node.JS debug adapter for VSCode is one of them. Please contact us at contact@platformio.org for further details.