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EUR-UN

Open-Source Infrastructure · Automation · Security

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🏛️ About

EUR-UN is an independent, open-source engineering collective based in Europe with a globally distributed contributor base. We build practical tools in the domains of network infrastructure, cybersecurity, intelligent automation, and IoT — with a strong commitment to multilingual accessibility (EN / 中文 / FR / CZ) and open governance.

Our work spans from low-level encryption middleware to satellite-imagery-driven data science, unified by a single philosophy: ship reliable, well-documented software that solves real-world problems.

🔧 15 Public Repositories🐍Python · VHDL · TypeScript · TeX · Verilog🌍 2 Community Forks📜 GPL-3.0 / MIT Licensed

🗂️ Project Portfolio

All projects are organized by domain. ★ marks organization-originated projects; the rest are maintained community forks.

🌐 Network Infrastructure & Observability

ProjectStackDescription
RouteLensGoTypeScriptGo-powered network lens for pinpointing latency & packet loss across Local / Backbone / DC segments. 24/7 stealth monitoring via SSH — zero traffic impact, GFW/QoS resistant.
CdnOriginUpdaterShellAutomated scripts to fetch and update origin IP/CIDR blocks for major CDNs (Cloudflare, CloudFront, EdgeOne, etc.) — essential for firewall whitelisting.
EZ-Encrypt-MiddlewareGoOpen-source encryption middleware. 53 forks — one of our most community-adopted projects.

🤖 Intelligent Automation & GovTech

ProjectStackDescription
VisaStatusMonitorPythonFull-process visa & residence-permit status tracking system with automatic push notifications, multi-user support, and modular architecture for rapid extension.
Czech-Visa-Application-Status-CheckPythonBatch generation of visa query codes and automated application status checking — streamlining a traditionally manual and error-prone process.

🔐 Security & Privacy

ProjectStackDescription
CertDeliverPythonTLS/SSL certificate distribution service for multi-node deployments. Licensed under GPL-3.0.
FormVaultPythonSecurely collects client PII and document uploads (student ID, passport photos, etc.) via a clean frontend with a simple admin backend.
Error-1402HTMLStatic error-page template used to disguise / mask the real backend service — useful as a honeypot decoy or anti-enumeration layer.

🏠 IoT & Home Automation

ProjectStackDescription
SmartHome_ServerPythonMQTTSmart home sensor control & automation using MQTT, Home Assistant, and Unix-like servers. Includes Mosquitto / EMQX broker config and prototype automation scripts.

📊 Data Science & AI

ProjectStackDescription
★ EY_Challenge_2026JupyterPythonSatellite-imagery-driven data science for the EY Open Science Challenge 2026 — water quality analysis using Landsat/Sentinel data, deep learning, and geospatial tooling.

🛠️ DevOps & System Utilities

ProjectStackDescription
LazyMount-MacShellA robust macOS mount manager for NAS gamers. Auto-mounts SMB & Rclone, detects network status, and auto-repairs "dirty" APFS sparsebundles to fix Steam "Disk Write Error" issues. 3 forks.

💼 Enterprise & Finance

ProjectStackDescription
ERPNext-Czech-Uctova-Osnova-COA-ConverterPythonConverts the Czech public-sector chart of accounts (Účtová Osnova) to ERPNext-ready multilingual CSV (CZ / EN / ZH), aligned with IPSAS/CAS terminology.

🎓 Academic & Research

ProjectStackDescription
BE5B35LSP-Logic-Systems-and-ProcessorsVHDLCourse materials and lab implementations for Logic Systems & Processors (BE5B35LSP) at Czech Technical University in Prague (ČVUT).
CVUT-SZZ-Survival-KitDocsComprehensive study materials, notes, and cheat sheets for the State Final Examination (SZZ) at ČVUT — an open knowledge base for students.

📈 Tech Stack at a Glance

 Languages █████████░░░░░░░░░░░ Python (43.7%)
████░░░░░░░░░░░░░░░░ VHDL (18.4%)
███░░░░░░░░░░░░░░░░░ TypeScript (15.1%)
██░░░░░░░░░░░░░░░░░░ TeX (10.2%)
█░░░░░░░░░░░░░░░░░░░ Verilog (5.1%)
█░░░░░░░░░░░░░░░░░░░ Go (2.9%)
░░░░░░░░░░░░░░░░░░░░ Tcl (1.8%)
░░░░░░░░░░░░░░░░░░░░ JavaScript (1.1%)
Domains Network Infra · Cybersecurity · Automation · IoT · Data Science
Protocols MQTT · SSH · TLS/SSL · HTTP/CDN · REST API
Platforms Linux · macOS · Home Assistant · ERPNext · Jupyter

📐 Engineering Principles

PrinciplePractice
Accuracy over hypeEvery README describes what the code actually does — no inflated claims.
Multilingual by defaultDocumentation ships in EN / 中文 / FR, with CZ where relevant to Czech tools.
Open-source firstWe default to MIT; use GPL-3.0 only when copyleft propagation is intentional.
Production-gradeCI, tests, and structured error handling are expected — not optional.
Modular architectureProjects are designed for extensibility — plug in, don't rewrite.

🤝 Community & Governance

We welcome contributions from engineers worldwide. Before contributing, please review:

DocumentDescription
Contributing GuidelinesWorkflow, coding standards, and PR conventions
Code of ConductOur pledge for an inclusive community
Security PolicyHow to report vulnerabilities responsibly
SupportWhere to get help
GovernanceDecision-making and project lifecycle

📊 Organization Statistics

MetricValue
Public Repositories15 (2 source · 13 forked)
Total Stars0
Community Forks2
Open Issues0
Primary LanguagesPython · VHDL · TypeScript · TeX · Verilog
LicensesGPL-3.0 · MIT
BaseEurope 🇪🇺 · Globally Distributed
Websiteeurun.eu.org

Auto-updated by CI · Last run: 2026-08-26 19:29 UTC

📬 Contact

Reliable code. Real solutions. Open to all.

© 2025 – 2026 EUR-UN

Popular repositories Loading

  1. ERPNext-Czech-Uctova-Osnova-COA-Converter ERPNext-Czech-Uctova-Osnova-COA-ConverterPublic

    Forked from yuanweize/ERPNext-Czech-Uctova-Osnova-COA-Converter

    ERPNext Czech Účtová Osnova (COA Converter): convert the Czech public-sector chart of accounts to ERPNext-ready multilingual CSV (CZ/EN/ZH) with IPSAS/CAS terms

    Python

  2. Error-1402 Error-1402Public

    Forked from yuanweize/Error-1402

    一个用于“伪装/掩护”真实服务的静态错误页模板。A static error page template used to "disguise/cover" the real service.

    HTML

  3. Czech-Visa-Application-Status-Check Czech-Visa-Application-Status-CheckPublic

    Forked from yuanweize/Czech-Visa-Application-Status-Check

    签证状态查询码批量生成及申请状态查询工具Visa application query code batch generation and application status query tool

    Python

  4. CertDeliver CertDeliverPublic

    Forked from yuanweize/CertDeliver

    证书分发服务 Certificate Deliver Service

    Python

  5. SmartHome_Server SmartHome_ServerPublic

    Forked from yuanweize/SmartHome_Server

    Smart Home Sensor Control and Automation using MQTT, Home Assistant, and Unix-like Servers (such as Debian). Includes Mosquitto and EMQX broker setup files, and prototype automation scripts.

    Python

  6. LazyMount-Mac LazyMount-MacPublic

    Forked from yuanweize/LazyMount-Mac

    A robust macOS mount manager for NAS gamers. Automatically mounts SMB & Rclone, detects network status, and auto-repairs "dirty" APFS sparsebundles to fix Steam "Disk Write Error" and permission is…

    Shell

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