Rapid Miner is an open source platform for data mining that was first released in 2006. It has over 250,000 users including large companies like eBay, Intel, and PepsiCo. Rapid Miner offers different versions including Rapid Miner Studio, Rapid Miner Server, and Rapid Miner Cloud. It provides an integrated environment for all steps of data mining with features like loading data from various sources, preprocessing, modeling, and evaluation.