LangChain4j Frameworks LLM Tools
Java-based LangChain implementations and frameworks for building LLM applications with Spring Boot, Quarkus, and related Java ecosystems. Does NOT include non-Java LangChain ports, general LLM SDKs, or language-agnostic frameworks.
There are 24 langchain4j frameworks tools tracked. 4 score above 50 (established tier). The highest-rated is quarkiverse/quarkus-langchain4j at 61/100 with 280 stars.
Get all 24 projects as JSON
curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=llm-tools&subcategory=langchain4j-frameworks&limit=20"
Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.
| # | Tool | Score | Tier |
|---|---|---|---|
| 1 |
quarkiverse/quarkus-langchain4j
Quarkus Langchain4j extension |
|
Established |
| 2 |
HamaWhiteGG/langchain-java
Java version of LangChain, while empowering LLM for Big Data. |
|
Established |
| 3 |
hkh1012/langboot
Using Langchain's ideas to build SpringBoot AI applications | ... |
|
Established |
| 4 |
tryAGI/LangChain.Providers
Part of the LangChain.NET project. Has separate abstractions, does not... |
|
Established |
| 5 |
showpune/spring-petclinic-langchain4j
It is a langchain4j LLM demo of petclinic |
|
Emerging |
| 6 |
LangStream/langstream
LangStream. Event-Driven Developer Platform for Building and Running LLM AI... |
|
Emerging |
| 7 |
cupybara/java-langchains
A Java 8+ LangChain implementation. Build powerful LLM based applications in... |
|
Emerging |
| 8 |
cescoffier/quarkus-llm-workshop
Quarkus LLM workshop |
|
Emerging |
| 9 |
cescoffier/quarkus-langchain4j-workshop
Learn how to build AI-infused applications with Quarkus |
|
Emerging |
| 10 |
ThomasVitale/llm-apps-java-langchain4j
Samples showing how to build Java applications powered by Generative AI and... |
|
Emerging |
| 11 |
b6k-dev/quarkus-skill
Quarkus platform reference docs and installable skill for AI coding... |
|
Emerging |
| 12 |
heiko-braun/cai
The Camel Quickstart Assistant helps you build Camel applications using a... |
|
Emerging |
| 13 |
shenyubao/javachain
JavaChain 用于快速搭建LLM应用，参考了 LangChain 的架构设计，基于Java8实现。 |
|
Emerging |
| 14 |
langchain4j/langchain-java
Java implementation for LangChain |
|
Emerging |
| 15 |
tryAGI/LangChain.Maui
MAUI provider and sample application that provides various scenarios for... |
|
Experimental |
| 16 |
JohannesRabauer/langchain4j-spring-jpa-memory
Demo to show how to use memory storage with LangChain4J and Spring Data |
|
Experimental |
| 17 |
achalise/langchain-playground
Exploring different LangChain components to build AI powered applications |
|
Experimental |
| 18 |
fejesa/quarkus-ai-mcp
AI powered HTML Message Template Editor |
|
Experimental |
| 19 |
Groupe-Key-Consulting/any-chatbot
Experimenting with Langchain4J and Quarkus |
|
Experimental |
| 20 |
tynwebilar/TryLangChain4j
一些LangChain4j的小demo |
|
Experimental |
| 21 |
stoerr/webwatch
webwatch: watching a couple of pages and send detected changes via email,... |
|
Experimental |
| 22 |
pamaldi/adso
Some experiment on LLM Agents |
|
Experimental |
| 23 |
pedro-hos/guess-who-api
This is the Guess-Who API Game that also calls the LLM to get the clues. |
|
Experimental |
| 24 |
swa-aham/QnA-Streaming
High throughput event streamer with DLQ error handling mechanism |
|
Experimental |