grimmory-tools / grimmory

A self-hosted library for your ebooks, comics, and audiobooks

crate / crate

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

freeplane / freeplane

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

LibrePDF / OpenPDF

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

jitsi / jitsi

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

dragonwell-project / dragonwell8

Alibaba Dragonwell8 JDK

portfolio-performance / portfolio

Track and evaluate the performance of your investment portfolio across stocks, cryptocurrencies, and other assets.

DTStack / chunjun

A data integration framework

apache / tika

The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

jetty / jetty.project

Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more

RoaringBitmap / RoaringBitmap

A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

dromara / liteflow

Lightweight, fast, stable, programmable component-based rule engine — where AI Agents orchestrate just like ordinary components. Uniquely designed DSL: component reuse, sync/async & dynamic orchestration, multi-language scripting, nested rules, hot deployment and smooth refresh. If you can orchestrate LiteFlow, you can orchestrate AI.

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.

spring-io / initializr

A quickstart generator for Spring projects

PeterCxy / Shelter

This repository is a mirror of https://gitea.angry.im/PeterCxy/Shelter. For bug reports, use https://lists.sr.ht/~petercxy/shelter

immutables / immutables

Java annotation processor to create immutable objects and builders, for records too. Sweep boilerplate code under the rug!

chriswhocodes / jitwatch

Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.

spring-projects / spring-data-jpa

Simplifies the development of creating a JPA-based data access layer.

apache / hugegraph

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

shmykelsa / AAAD

The original application for downloading and installing apps made specifically for Android Auto outside of Google Play Store. Active since 2021.

erupts / erupt

Code as configuration. Annotate a Java entity with @Erupt and ship a production-grade admin backend in minutes — UI, RBAC, audit logs and APIs, all generated at runtime. No codegen, no frontend.

cruise-control-for-kafka / cruise-control

Cruise-control is the first of its kind to fully automate the dynamic workload rebalance and self-healing of a Kafka cluster. It provides great value to Kafka users by simplifying the operation of Kafka clusters.

maxiaof / github-hosts

通过修改Hosts解决国内Github经常抽风访问不到,每日更新

thymeleaf / thymeleaf

Thymeleaf is a modern server-side Java template engine for both web and standalone environments.

spring-projects / spring-batch

Spring Batch is a framework for writing batch applications using Java and Spring

spring-projects / spring-data-elasticsearch

Provide support to increase developer productivity in Java when using Elasticsearch. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

bytedeco / javacpp-presets

The missing Java distribution of native C++ libraries

drewnoakes / metadata-extractor

Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files

jOOQ / jOOR

jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.

opensolon / solon

🔥 Java enterprise application development framework for full scenario: Restrained, Efficient, Open, Ecologicalll!!! 700% higher concurrency 50% memory savings Startup is 10 times faster. Packing 90% smaller; Compatible with java8 ~ java26; Supports LTS. (Replaceable spring)

manifold-systems / manifold

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

ag2s20150909 / TTS

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apache / casbin-jcasbin

An authorization library that supports access control models like ACL, RBAC, ABAC in Java

HotswapProjects / HotswapAgent

Java unlimited redefinition of classes at runtime.

apache / logging-flume

Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log-like data

Peergos / Peergos

A p2p, secure file storage, social network and application protocol

iiordanov / remote-desktop-clients

VNC, RDP, SPICE, and oVirt/RHEV/Proxmox Clients for Android and Blackberry 10

spring-projects / spring-kafka

Provides Familiar Spring Abstractions for Apache Kafka

find-sec-bugs / find-sec-bugs

The SpotBugs plugin for security audits of Java web applications and Android applications. (Also work with Kotlin, Groovy and Scala projects)

hapifhir / hapi-fhir

🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers

smithy-lang / smithy

Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.

magefree / mage

XMage - Magic Another Game Engine

spring-projects / spring-integration-samples

You are looking for examples, code snippets, sample applications for Spring Integration? This is the place.

keycloak / keycloak-quickstarts

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jenkinsci / kubernetes-plugin

Jenkins plugin to run dynamic agents in a Kubernetes/Docker environment

apache / poi

Mirror of Apache POI gitbox. The Java API for Microsoft Documents.

apache / gobblin

A distributed data integration framework that simplifies common aspects of big data integration such as data ingestion, replication, organization and lifecycle management for both streaming and batch data ecosystems.

itext / itext-java

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

vigna / fastutil

fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.

locationtech / jts

The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

lets-mica / mica

Spring Cloud 微服务开发核心工具集。工具类、验证码、http、redis、ip2region、xss 等，开箱即用。 🔝 🔝 记得右上角点个star 关注更新！

onthegomap / planetiler

Flexible tool to build planet-scale vector tilesets from OpenStreetMap data fast

quarkusio / quarkus-quickstarts

Quarkus quickstart code

fr3ts0n / AndrOBD

Android OBD diagnostics with any ELM327 adapter

continew-org / continew-admin

🔥Almost最佳后端规范🔥页面现代美观，且专注设计与代码细节的高质量多租户中后台管理系统框架。开箱即用，持续迭代优化，持续提供舒适的开发体验。当前采用技术栈：SpringBoot v3.4.x (Java17)、Vue3 & ArcoDesign、TS、Vite5 、SaToken、MyBatisPlus、Redisson、FastExcel、CosId、JetCache、JustAuth、Crane4j、SpringDoc、Hutool 等。

jOOQ / jOOL

jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.

langgraph4j / langgraph4j

🚀 LangGraph for Java is a library for Graph Engineering, designed to build sophisticated AI agentic architectures within the Java ecosystem. It works seamlessly with both Langchain4j and Spring AI.

openjdk / loom

https://openjdk.org/projects/loom

JetBrains / JetBrainsRuntime

Runtime environment based on OpenJDK for running IntelliJ Platform-based products on Windows, macOS, and Linux

javahongxi / whatsmars

Java生态研究(Spring Boot + Redis + Dubbo + RocketMQ + Elasticsearch)🔥🔥🔥🔥🔥