Claims to outperform Differential Dataflow[0] which underlies Materialize's[1] incremental materialized view product. Supports SQL out of the box. Definitely worth a deeper look. This is such an exciting area right now, I am envious of anybody writing streaming applications in five years time!<p>0: <a href="https://github.com/frankmcsherry/differential-dataflow" rel="nofollow">https://github.com/frankmcsherry/differential-dataflow</a><p>1: <a href="https://materialize.io/" rel="nofollow">https://materialize.io/</a>