1. Apache Geode. http://geode.incubator.apache.org/
2. Apache Samza. http://samza.apache.org/
3. CliffGuard. A general framework for robust and efficient database optimization. http://www.cliffguard.org
4. Exactly-once processing with trident – the fake truth. https://www.alooma.com/blog/trident-exactly-once
5. IBM. InfoSphere BigInsights. http://tinyurl.com/ouphdss