langchain4j / langchain4j
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.
TimefoldAI / timefold-quickstarts
Get started with Timefold quickstarts here. Optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.
redisson / redisson
Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..
quarkusio / quarkus
Quarkus: Supersonic Subatomic Java.
apache / camel
Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.
Atmosphere / atmosphere
Portable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more behind one SPI. Token streaming, tool calls, human approvals, and governance over WebSocket, SSE, gRPC, or WebTransport/HTTP3. Speaks MCP, A2A, and AG-UI.
quarkusio / quarkus-quickstarts
Quarkus quickstart code
tess1o / geopulse
A self-hosted location timeline platform and Google Timeline alternative. Lightweight, features automatic trip detection, rich analytics, and Immich integration.
smallrye / smallrye-mutiny
An Intuitive Event-Driven Reactive Programming Library for Java
entropy-cloud / nop-entropy
Nop Platform 2.0 is a next-generation low-code development platform built from scratch based on the principles of reversible computation, adopting a language-oriented programming paradigm. It includes a suite of fully designed engines such as a GraphQL engine, ORM engine, workflow engine, reporting engine, rule engine, and batch processing engine,