High Performance Inter-Thread Messaging Library

Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter

Stream summarizer and cardinality estimator.

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

DDSketch: A Fast and Fully-Mergeable Quantile Sketch with Relative-Error Guarantees.

A collection of algorithms in Java 8 for the problem of random sampling with a reservoir

Symmetric Searchable Encryption Library in Pure Java.

LeanEngine GAE Server

Cryptographic Enforcement of End-to-End Data Privacy

Accelerating Distributed Machine Learning with Data Sketches

Simple Java implementation of AES-128.

A Probabilistic data structure

Simple AES Crypto