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An open-source columnar data format designed for fast & realtime analytic with big data.

Listen to your users during product development with ClearFlask

No description.

Open Souce IM with AI powered live-chat, email, ticket support, omni-channel customer service，alternative to slack + zendesk/intercom/hubspot

Pastefy is an feature-rich Open Source self-hostable Pastebin.

❤开箱即用❤an unofficial implement of ChatGPT in QQ/Wechat. 一个非官方的ChatGPT腾讯qq/微信(非公众号)实现版，快来把你的qq或微信变成chatgpt吧

Learning Management System OpenOlat

An extensible Java framework for building event-driven applications that break up XML and non-XML data into chunks for data integration

A terminal for Web SSH connection

基于SpringBoot3开发的轻量级技术博客小程序,支持 文章发布(支持上传音频内容或视频内容) 专题管理 搜索 以及渲染 以及文章评论功能 无需第三方OSS存储,使用的是服务器存储空间 详细请看yml中的file配置

Accumulo backed time series database

A Relational Database Backed by Apache Kafka

Java client library for OpenAI API.Full support for all OpenAI API models including Completions, Chat, Edits, Embeddings, Audio, Files, Assistants-v2, Images, Moderations, Batch, and Fine-tuning.

NetXMS - Open Source network and infrastructure monitoring and management

chatgpt微信聊天小程序。java编写服务器，实现chatgpt接口的调用，微信小程序用于聊天。二者基于webSocket进行通信

realtime search/indexing system

DepClean automatically detects and removes unused dependencies in Java Maven projects. Paper: https://dx.doi.org/10.1007/s10664-020-09914-8)

Config-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM providers, MCP/A2A protocols, RAG, persistent memory, and enterprise compliance (EU AI Act, GDPR, HIPAA). Built on Quarkus.

AI antivirus for developer agents: protect Codex, Claude Code, Cursor, Gemini, OpenCode, plugins, skills, MCP servers, and AI harnesses before tools run.

(M) Highly optimized, extremely modular and very flexible XMPP/Jabber server

Distributed Fault-Tolerant File System

Sparrow scheduling platform (U.C. Berkeley).

Visualizing data in ClickHouse using native Kibana.

Open Source, Language Agnostic Mutation Testing

High Throughput Real-time Stream Processing Framework

Fedora Repository

Coding super-intelligence to find the most optimized Python code. Use it to optimize existing codebases or new Pull requests as a GitHub Action or a VS Code Extension.

Technical Analysis Library (Java Maven mirror)

a chatgpt starter based on Openai Official Apis.

A new Booksonic server based on Airsonic. - OBS: The code here might not be ready for release. Feel free to compile it yourself but if so I recommend searching for the latest commit with the description "Prepare for release"