Java Parquet serialization and deserialization library using Java 17 Records

High Performance data structures and utility methods for Java

Java library for parsing command line options

Minimal CSS Framework for semantic HTML

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

Rewrite BigQuery, Redshift, Snowflake and Databricks queries into DuckDB compatible SQL (with deep transformation of functions, data types and format characters) using Java.

The AI coding agent built for the terminal.

Official Datastar Java SDK.

DuckLake is an integrated data lake and catalog format

The hypermedia framework.

This repository is made as read-only filesystem for remote access.

DuckDB is an analytical in-process SQL database management system

An in memory implementation of a JSR-203 file system

A Micrometer meter registry that generates JFR events

The Airport extension for DuckDB, enables the use of Arrow Flight with DuckDB

LLaMA-2 Finetuned for Text-2-SQL

A high-performance data streaming system using DuckDB and Apache Arrow Flight.

A high-performance data streaming system (in Rust) using DuckDB and Apache Arrow Flight.

An example Flight SQL Server implementation - with DuckDB and SQLite back-ends.

Fast, scalable, self-contained, single-threaded Java web server

JMH Benchmark Analysis and Prioritization

Multiplayer at the speed of light

A Java (NIO2) FileSystem Provider for Amazon AWS S3.

B+-tree in java that stores to disk using memory mapped files, supports range queries and duplicate keys

A Java NIO.2 service provider for Amazon S3

Terminal-based progress bar for Java / JVM

Log-Structured Merge Tree Java implementation

Dynatrace hash library for Java

A bash S3 client with minimal dependencies