Free and Open Source, Distributed, RESTful Search Engine

QuestDB is an open source time-series database for fast ingest and SQL queries

Apache Druid: a high performance real-time analytics database.

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID…

Cruise-control is the first of its kind to fully automate the dynamic workload rebalance and self-healing of a Kafka cluster. It provides great value to Kafka users by simplifying the operation of …

Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.

Access other storage backends via the S3 API

Fast scalable time series database

WE HAVE MOVED to Apache Incubator. https://cwiki.apache.org/FLUME/ . Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log…

A JPA 2.1 compliant Polyglot Object-Datastore Mapping Library for NoSQL Datastores.Please subscribe to:

Solandra = Solr + Cassandra

H-Store Distributed Main Memory OLTP Database System

The Wyvern programming language.

Transactional Support for HBase (Mirror of https://github.com/apache/incubator-omid)

Oracle Cloud Infrastructure SDK for Java

Query your data using familiar SQL or intuitive Piped Processing Language (PPL)

OpenTSDB Metrics Reporter

A temporal graph database on top of Datomic

A library for Java development with the VersionOne REST API.

Links VersionOne workitems to Git commits.