karma~ is a looper/sampler external for Max. It is a dynamic length, varispeed looper with some complex features that are explained in detail in the accompanying help file.
Here is a tutorial video showing some of what karma~ can do:
The feature set and functionality was something I conceived (and implemented a cruder version of) in The Party Van
. The karma~ external has the same core functionality but super charged, lean & mean, and elegant as shit. karma~ was lovingly coded by raja, and I can't thank him enough for taking the project on!
You can download the compiled object (for 32/64bit Mac and 32/64bit Win) as well as the source code here (1.0)