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一款高颜值、现代化的自动化运维及轻量堡垒机，提供全面的服务器智能运维解决方案。支持资产管理分组、多协议访问(SSH、SFTP、RDP、VNC)、实时系统监控与智能告警、文件上传下载、在线编辑、命令批量执行、多主机文件分发和计划任务配置(通过 cron 表达式)等功能，确保高效安全的运维体验。适用于 Linux 和 Windows 系统的运维管理。

A lightweight, cross-platform file manager with a dual-pane interface

SQL-based streaming analytics platform at scale

Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community.

Gerrit Code Review - (mirror of https://gerrit.googlesource.com/gerrit)

Freenet REference Daemon

The Android-Video-Trimmer project implements the selection of clips for long and short videos. It uses MediaMetadataRetriever to obtain video frames, and uses ffmpeg for video cropping and video compression.

Java based open source static site/blog generator for developers & designers.

Gameboy emulator in Java and Kotlin.

HTTP web applications for Vert.x

Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code.

Core framework of openHAB

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

Black Obfuscator is an obfuscator for Android APK DexFile, it can help developer to protect source code by control flow flattening, and make it difficult to analyze the actual program control flow.

Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.

(Official) The DSpace digital asset management system that powers your Institutional Repository

Agents-flex is A lightweight Java AI agent development framework (positioned as a counterpart to Spring AI). It supports features such as RAG, MCP, Skills, Text2SQL , LLM Wiki, Sub-agents, Web Search, TTS (synchronous and streaming), and STT.

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

超级AI大脑一个基于SpringCloud微服务架构，已对接GPT-3.5、GPT-4.0、百度文心一言、stable diffusion AI绘图、Midjourney绘图等。支持web，Android，IOS，H5多端应用，使用了OpenAI的ChatGPT模型实现了智能聊天机器人。用户可以在界面上与聊天机器人进行对话，聊天机器人会根据用户的输入自动生成回复。同时也支持画图，用户输入文本，便可以自动制作文生文生图。持续更新中，更多功能等着你来解锁

Isometric minimal-code style game at html5 canvas and javascript

Welcome to the WSO2 API Manager source code! For info on working with the WSO2 API Manager repository and contributing code, click the link below.

This library generate an Mp4 movie using Android MediaCodec API and apply filter, scale, trim, transcode, crop, timeScale, mute and rotate Mp4.

LocationTech Spatial4j: A Geospatial Library for Java

Open source analytics and market risk library from OpenGamma

ChatGPT Java 基于SpringBoot的后端开源web学习项目，FunAi。支持OpenAI官方所有接口。无限轮聊天 + 带上下文逻辑 + 流式输出 / 普通输出。PDF解析 + Embedding API+ 递归分词文段抽取 + 文本向量化 + 向量语义匹配 + 召回知识库相似文本匹配。接入文生图模型MidJourney / Stable Diffusion Model。智能客服/企业级知识库。APIKey额度精准查询 + 失效检测。AI游戏 + 专属于AI的社交平台

Minimalist Java framework for rapidly creating scalable, containerless, RESTful microservices. Ship a production-quality, headless, RESTful API in the shortest time possible. Uses Netty for HTTP, Jackson for JSON, Metrics for metrics, properties files for configuration. Sub-projects and plugins enable, NoSQL, Swagger, Auth0, HAL integration, etc.

DBSyncer（简称dbs）是一款开源的数据同步中间件，提供MySQL、Oracle、SqlServer、PostgreSQL、Elasticsearch(ES)、Kafka、File、SQL等同步场景。支持上传插件自定义同步转换业务，提供监控全量和增量数据统计图、应用性能预警等。

The Stack Overflow clone for your team (self-hosted or hosted)

🔐 A CLI tool to extract server certificates

AI 自动回复工具，支持灵活配置多个平台的监控和回答。目前已支持知识星球自动回复、OpenAI（ChatGPT）自动回答