光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Zipkin is a distributed tracing system

The official home of the Presto distributed SQL query engine for big data

The ZAP by Checkmarx Core project

Git Server with CI/CD, Kanban, and Packages. Seamless integration. Unparalleled experience.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Apache Iceberg

Statistical Machine Intelligence & Learning Engine

Upserts, Deletes And Incremental Processing on Big Data.

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

Open, Multi-modal Catalog for Data & AI

Apache Parquet Java

Java library for parsing and rendering CommonMark (Markdown)

Java distributed tracing implementation compatible with Zipkin backend services.

pure java git solution

DEPRECATED! Java implementation of the Ethereum yellowpaper. For JSON-RPC and other client features check Ethereum Harmony

🐘 Elasticsearch real-time search and analytics natively integrated with Hadoop

Apache Polaris, the interoperable, open source catalog for Apache Iceberg

Provides examples and code snippets for the JGit Java Git implementation

Stream Processing and Complex Event Processing Engine

Java API for GitHub

MongoDB integration in Intellij

Coral is a translation, analysis, and query rewrite engine for SQL and other relational languages.

Web UI for Trino, Hive and SparkSQL

The AmazonDynamoDBLockClient is a general purpose distributed locking library built on top of DynamoDB. It supports both coarse-grained and fine-grained locking.

High-performance JSON parser

Checked Exceptions-enabled Java 8+ functional interfaces + adapters

A Git client for Android.

JGit, the Java implementation of git