The License changed to Apache 2.0 as of release 0.9.1-incubating.
= edit
What is this nonsense?
Components- Storm has three critical components, viz., Topology, Stream, and Spout. Topology is a network made of Stream and Spout. Stream is an unbounded pipeline of tuples and Spout is the source of the data streams which converts the data into the tuple of streams and sends to the bolts to be processed.[citation needed] — Preceding unsigned comment added by 150.241.253.10 (talk) 14:47, 18 October 2018 (UTC)