freeplane / freeplane
Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.
freeplane / freeplane
JetBrains / fernflower
Decompiler from Java bytecode to Java, used in IntelliJ IDEA.
knowm / XChange
XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
RoaringBitmap / RoaringBitmap
A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others
tchiotludo / akhq
Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...
Netflix / maestro
Maestro: Netflix’s Workflow Orchestrator
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.
FasterXML / jackson-databind
General data-binding package for Jackson: works on streaming API (core) implementation(s)
networknt / light-4j
A fast, lightweight and more productive microservices framework
apache / logging-log4j2
Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.
Athou / commafeed
Google Reader inspired self-hosted personal RSS reader.
eclipse-openj9 / openj9
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
EngineHub / WorldEdit
🗺️ Minecraft map editor and mod
apache / linkis
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
qaiu / netdisk-fast-download
聚合多种主流网盘的直链解析下载服务, 一键解析下载，已支持夸克网盘/uc网盘/蓝奏云/蓝奏优享/小飞机盘/123云盘等. 支持文件夹分享解析. 体验地址: https://lz.qaiu.top https://189.qaiu.top
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.
Minestom / Minestom
26.2 Lightweight Minecraft server
docker-java / docker-java
Java Docker API Client
FabricMC / fabric-api
Essential hooks for modding with Fabric.
apache / hugegraph
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
MewX / light-novel-library_Wenku8_Android
[CASUALLY MAINTAINED] 轻小说文库 (Wenku8.com) 安卓版第三方公益App，始于2014年的初版Material Design风格、非盈利、Play Store上安装包最小的轻小说阅读器 (light novel reader)。目前网站的API由于被大量滥用，已更新成我自己架的 Cloudflare Worker API 中继节点，不然的话网站关闭API就全军覆没了。
konsoletyper / teavm
Compiles Java bytecode to JavaScript, WebAssembly and C
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.
sepinf-inc / IPED
IPED Digital Forensic Tool. It is an open source software that can be used to process and analyze digital evidence, often seized at crime scenes by law enforcement or in a corporate investigation by private examiners.
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.
anonfaded / FadCam
Open-source, ad-free Android multimedia recorder with background video recording, screen recording, live streaming, and remote camera control
BlueMap-Minecraft / BlueMap
A Minecraft mapping tool that creates 3D models of your Minecraft worlds and displays them in a web viewer.
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.
eclipse-collections / eclipse-collections
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
apache / logging-flume
Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log-like data
LSPosed / AndroidHiddenApiBypass
LSPass: Bypass restrictions on non-SDK interfaces
iiordanov / remote-desktop-clients
VNC, RDP, SPICE, and oVirt/RHEV/Proxmox Clients for Android and Blackberry 10
confluentinc / schema-registry
Confluent Schema Registry for Kafka
PurpurMC / Purpur
Purpur is a drop-in replacement for Paper servers designed for configurability, and new fun and exciting gameplay features.
hapifhir / hapi-fhir
🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers
gaul / s3proxy
Access other storage backends via the S3 API
FasterXML / jackson-core
Core part of Jackson that defines Streaming API as well as basic shared abstractions
REAndroid / APKEditor
Powerful android apk editor - aapt/aapt2 independent
modelmapper / modelmapper
Intelligent object mapping
LuckPerms / LuckPerms
A permissions plugin for Minecraft servers.
EssentialsX / Essentials
The modern Essentials suite for Spigot and Paper.
amaembo / streamex
Enhancing Java Stream API
apache / poi
Mirror of Apache POI gitbox. The Java API for Microsoft Documents.
openpnp / openpnp
Open Source SMT Pick and Place Hardware and Software
webbukkit / dynmap
A set of Minecraft mods that provide a real time web-based map system for various Minecraft server implementations.
haraldk / TwelveMonkeys
TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO
jonashackt / spring-boot-vuejs
Example project showing how to build a Spring Boot App providing a GUI with Vue.js
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.
neoforged / NeoForge
A modding API for Minecraft: Java Edition, based on Forge
googleapis / google-cloud-java
Google Cloud Client Library for Java
ctripcorp / x-pipe
X-Pipe是由携程框架部门研发的Redis多数据中心复制管理系统。基于Redis的Master-Slave复制协议，实现低延时、高可用的Redis多数据中心、跨公网数据复制，并且提供一键机房切换，复制监控、异常报警等功能。开源版本和携程内部生产环境版本一致。
IzzelAliz / Arclight
A Bukkit(1.20/1.21) server implementation in modding environment using Mixin. ⚡
microcks / microcks
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
TeamNewPipe / NewPipeExtractor
NewPipe's core library for extracting data from streaming sites
alibaba / compileflow
🎨 core business process engine of Alibaba Halo platform, best process engine for trade scenes. | 一个高性能流程编排引擎
GIScience / openrouteservice
🌍 The open source route planner api with plenty of features.
pengrad / java-telegram-bot-api
Telegram Bot API for Java
INRIA / spoon
Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.