Maven

Modernizergaul/modernizer-maven-plugin

A Maven plugin that detects uses of legacy Java APIs in your codebase, promoting modern, performant, and idiomatic alternatives.

JSON-LDjsonld-java/jsonld-java

A Java implementation of the JSON-LD 1.0 specification for working with Linked Data in JSON format.

GraphAware Neo4j Recommendation Enginegraphaware/neo4j-reco

A Neo4j-based library for building high-performance recommendation engines with real-time and pre-computed capabilities.

trident-mlpmerienne/trident-ml

A real-time online machine learning library built on Apache Storm for scalable stream processing with incremental algorithms.

spatial-framework-for-hadoopEsri/spatial-framework-for-hadoop

A framework enabling spatial data analysis within Hadoop ecosystems using Hive and SparkSQL.

LinuxForHealth FHIR ServerLinuxForHealth/FHIR

A modular, high-performance Java implementation of the HL7 FHIR specification for healthcare data interoperability.

bag-databaseswri-robotics/bag-database

A web-based server that catalogs ROS bag files, provides search and download capabilities, and offers a REST API for automation.

route53-infimaawslabs/route53-infima

A Java library for managing service-level fault isolation using Amazon Route 53 DNS with Lattice containers and ShuffleShard sharding.

dynamodb-transactionsawslabs/dynamodb-transactions

A Java library for performing client-side atomic writes and isolated reads across multiple DynamoDB items and tables.

Apache Apexapache/apex-core

A unified platform for big data stream and batch processing on Hadoop YARN with enterprise-grade operability.

neo4j-java-driverneo4j/neo4j-java-driver

Official Java driver for Neo4j, enabling Java applications to connect and interact with Neo4j graph databases via the Bolt protocol.

java-rust-exampledrrb/java-rust-example

An example project demonstrating how to call Rust code from Java using JNA, with examples of data exchange and callbacks.

statsd-jvm-profileretsy/statsd-jvm-profiler

A JVM agent profiler that sends memory, CPU tracing, and CPU load metrics to StatsD, InfluxDB, and other backends.

jstachiojstachio/jstachio

A type-safe, statically compiled Mustache templating engine for Java that generates readable Java source code.

Transitcognitect/transit-cljs

A ClojureScript library for marshalling Transit data format to/from ClojureScript values using JSON.

amazon-kinesis-connectorsawslabs/amazon-kinesis-connectors

A Java library for building data pipelines that connect Amazon Kinesis streams to AWS and non-AWS services like DynamoDB, Redshift, S3, and Elasticsearch.

Hibernate OGMhibernate/hibernate-ogm

Hibernate OGM enables JPA-based domain model persistence for NoSQL datastores using familiar Hibernate APIs.

neo4j-spark-connectorneo4j-contrib/neo4j-spark-connector

A bi-directional connector enabling Apache Spark to read from and write to Neo4j graph databases using Spark DataSource APIs.

sql-to-mongo-db-query-convertervincentrussell/sql-to-mongo-db-query-converter

A Java library that converts SQL queries into MongoDB query documents and aggregation pipelines.

htm.javanumenta/htm.java

An official Java port of Numenta's Hierarchical Temporal Memory (HTM) library for machine intelligence and anomaly detection.

XMLUnitxmlunit/xmlunit

A Java library for testing XML output via XPath, schema validation, and document comparisons.

api-gateway-secure-pet-storeawslabs/api-gateway-secure-pet-store

A sample Java application demonstrating secure API access using AWS Lambda, API Gateway, Cognito, and DynamoDB.

wicket-bootstrapl0rdn1kk0n/wicket-bootstrap

Apache Wicket components for Twitter Bootstrap, integrating Bootstrap's UI toolkit with Wicket's Java web framework.

Kroxyliciouskroxylicious/kroxylicious

A snappy open-source proxy for Apache Kafka that enables encryption, multi-tenancy, and schema validation.

Snow Owlb2ihealthcare/snow-owl

A production-ready, scalable, open-source terminology server supporting SNOMED CT, LOINC, RxNorm, ICD-10/11, and custom code systems with FHIR compliance.

neo4j-shell-toolsjexp/neo4j-shell-tools

A collection of import/export commands for the Neo4j shell to load and dump graph data in various formats.

SeLionpaypal/SeLion

A Java test automation framework built on TestNG and Selenium for web and mobile applications.

tigoncaskdata/tigon

An open-source real-time stream processing framework combining high-throughput event processing with low-latency SQL-like streaming queries.

Sundialknowm/Sundial

A lightweight Java job scheduling framework forked from Quartz, stripped down to essentials and easy to integrate.

dynamodb-cross-region-libraryawslabs/dynamodb-cross-region-library

A client-side Java library for replicating Amazon DynamoDB tables across AWS regions using DynamoDB Streams.

dynamodb-geoawslabs/dynamodb-geo

A Java library for creating and querying geospatial data in Amazon DynamoDB using geohash indexing.

docker-java-apiamihaiemil/docker-java-api

A lightweight, object-oriented Java library for interacting with the Docker Engine API.

OpenSpliceADLINK-IST/opensplice

A full implementation of the OMG Data Distribution Service (DDS) standard for real-time data sharing in distributed systems.

GraphAware Neo4j Elasticsearch Integrationgraphaware/neo4j-to-elasticsearch

A GraphAware Framework module for bi-directional integration between Neo4j and Elasticsearch, enabling asynchronous data replication and search enrichment.

HiveRunnerklarna/HiveRunner

An open-source unit test framework for Hive SQL queries, enabling TDD without installed dependencies via JUnit 4 and 5.

externalsortinginjavalemire/externalsortinginjava

A Java library for sorting very large files using external-memory algorithms and multiple cores.