LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
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SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.
- data-integration
- high-performance
- offline
- real-time
Tiny, easily embeddable HTTP server in Java.
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.
Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
- embedded-database
- java
- kotlin
- key-value
SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
- xquery
- java
- temporal-data
- storage
NoSQL embedded document store for Java
- nosql
- embedded-database
- documentdb
- android
MariaDB Embedded in Java JAR
Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store
- lmdb
- java
- key-value
- embedded-database
JQuick Java: a lightweight Java-like scripting language for rule engines. Declare, parse and execute business rules at runtime via XML or inline scripts—no restart needed. Java 8+, embeddable, with LSP and IDEA plugin support.
SquirrelJME is a Java ME 8 Virtual Machine for embedded and Internet of Things devices. It has the ultimate goal of being 99.9% compatible with the Java ME standard.
- squirreljme
- java
- java-me
- iot
Provides a JAR and an AAR for embedding the Tor Onion Proxy into a Java or Android Program
This project focuses on automation of multi-level shadow root dom using java selenium. You can embed this plugin in your java selenium project.
- selenium
- selenium-webdriver
- selenium-java
- shadow-dom
Stream Ops is a fully embeddable data streaming engine and stream processing API for Java.
new Db4o GPL Source Code for Java7+ & .netstardard2.0 Android Xamarin..., the best database project to help you to learn how to make databases
- oodb
- db4o
- database
- java
Embedded OrientDB server for dropwizard
- java
- dropwizard
- orientdb
MariaDB Embedded in Java JAR
The router module allows you to embed your routes inside the controller. It provides a set of annotations to declare your routes next to your controller methods.
Adapter for Apache Wicket to support JAX-RS through embedding Jersey
- wicket
- jersey
- jersey2
- jax-rs