BigInsights Basic Edition is the free version of IBM BigInsights which includes Hadoop and other additional resources

InfoSphere® Streams is a highly scalable analytics platform that allows applications to rapidly analyze, and correlate information as it arrives from thousands of real-time sources at very high data throughput rates.

Download DB2 Express-C, the free version of IBM DB2 Data Servers. DB2 Express-C is free to develop, deploy, and distribute!

Download Data Studio, a free Eclipse tool for administration and development.