Redis Java client

Apache Iceberg

Apache Ignite

Apache Calcite

Apache Parquet Java

Copybara: A tool for transforming and moving code between repositories.

Apache Drill is a distributed MPP query layer for self describing data

Shell for issuing SQL to relational databases via JDBC

Multidimensional data storage with rollups for numerical data

Java implementation of a probabilistic set data structure

A SpotBugs/FindBugs plugin to verify usage of SLF4J

SQL文の整形をします

A simple sparse bitmap implementation in java

The bloom filter library from Cassandra, isolated out into its own small, self-contained chunk

Optiq Adapter for JavaBean

MurmurHashのJava実装

Kyoto Tycoon client for Java

Custom serialization using Jackson

single line directory zipping, supports war type zipping where the root folder is not included.

JMongoStore is a Store class to persistent sessions of Tomcat to MongoDB.

Rajah is extensible key-value store.

bitro is a java web application freamwork using AspectJ. this is used with AspectJ Development Tools (AJDT).

Benchmark for FileStoredMap.

A blazingly small and sane redis java client

monganez is MongoDB simple data mapper for Java.