Disco greatly simplify access to distributed machine learning, It runs in a browser, allowing it to work on pretty much any platform, simply open the link in a browser and you’re using it.
It allows creating your own machine learning tasks so that others can help with theses by just loading their data in the browser. By computing theses tasks, you create a machine learning model, a mathematical system which allows a program to make predictions based on a given set of data. It fits many use cases, such as determining the likeliness that some hospital patient has a disease, or automatically determine what an image represents.

You can find the full description in the Showcase.