Rakarrack has a GUI written in FLTK. It was my earliest adventure with guitar effects and DSP (ca 2008); it ran on a potato laptop and still kept up, which made the whole setup actually viable for spontaneous jam sessions at other people's places. Good times. - Source: Hacker News / 4 months ago

I was messing around with a guitar, a USB interface, and a software called https://rakarrack.sourceforge.net/ (I don't know if it is available on windows) and it was a lot of fun! You could scroll through the presets and make the guitar sound like all kinds of things! Definitely worth tinkering with. Source: about 1 year ago

I am trying to figure out how to make sounds similar to the "Keys" section on this soundboard. I'm new to music production and I would love to learn how to make something that sounds similar as part of the learning process, but don't even know where to start dissecting a sounds like this! Source: about 2 years ago

Really cool, and I think I might use or integrate this, but I agree with > I find this tool an interesting concept, but I couldn't get through the initial step to create a 4/4 kick loop. There's too much internal state going on with no indicators about what's active or what mode I'm in that it feels more like a memory game than a fun music toy. Maybe it's not a coincidence I'm not a vim/emacs fan? :D I think it... - Source: Hacker News / about 2 years ago

Or maybe it'd be like using one of those online beat generators, but instead of dragging over from a fully opened menu you have to unlock them. https://splice.com/sounds/beatmaker or http://sampulator.com/. Source: almost 3 years ago