network-diagnostics

Diagnose RKN/TSPU internet blocks layer by layer (DNS, TCP, TLS, HTTP)

An implementation of reverse traceroute

Find every device on your network, catch the faults that cause dropouts, and prove an outage to your ISP — all in one local desktop app. Rogue bridge & broadcast storm detection, ARP spoof watch, port scanning, CVE lookup, stability logging. 100% local, no telemetry.

Open-source internet speed monitor and bandwidth checker. Automated 24/7 speed tests with Ookla Speedtest CLI, real-time analytics dashboard, Home Assistant add-on, ISP performance grading, outage detection, and network diagnostics. Self-hosted, private, Raspberry Pi ready.

Dependency-free Python CLI for subnetting, IPv4/IPv6, network diagnostics, VLAN/ACL generation, and sysadmin cheatsheets.

代理节点出口 IP 类型和风控质量的批量检测工具；支持本地 Web UI、v2rayN、sing-box/Xray、多源 IP 情报、筛选与安全导出。

Self-hosted network diagnostic toolkit with 10 tools: DNS, ping, traceroute, MTR, port, reverse DNS, WHOIS, headers, SSL, HTTP. Origin-leak-free probes via Globalping API.

Privacy-first Just My Socks subscription diagnostics for SS, VMess, VLESS and Trojan

A smart local proxy that fixes the “No Internet, Secured” error in Windows by safely emulating msftconnecttest.com and restoring real connectivity detection.

Ultraglass is an open-source network diagnostics and route visualization platform for BGP, ping, traceroute, and DNS queries.

🌐 Check websites, ping, TCP ports & DNS from 60+ global locations. Beautiful CLI tool with interactive menu.

UU889 NetProbe — 零依赖·跨平台·单文件桌面网络测试工具箱（端口扫描/路由追踪+地理定位/监控告警/离线GeoIP/ARP分析）｜官网 https://uu889.com

Self-hosted AI copilot for OpenWrt router monitoring, diagnostics, management and network operations.

A lightweight, robust UDP broadcast discovery client for Python and Django. Easily find servers and services across local network interfaces with built-in support for segmented network diagnostics.

🌐 Cross-platform network monitoring tool with GUI for 24/7 internet connectivity tracking. Real-time dashboard, automated diagnostics, ISP issue detection with MTR logs. Works on Raspberry Pi, home servers, and homelabs. Python 3.8+, Tkinter GUI, optional standalone .exe/.app builds available.

Open-source CLI toolkit for network auditing & diagnostics. Host discovery, port scanning, DNS, traceroute, device diagnostics (Cisco/Juniper/Arista), snapshots, and reports.

Find which segment of your VPS/proxy chain is broken, without the agent disconnecting itself. Xray, 3x-ui, Reality, Hysteria2. Python stdlib only.

Simple real-time network connectivity monitor written in Python.

Commander: Easily manage and execute shortcuts, from CMD and PowerShell commands to .exe and .bat files. Features include placeholders for dynamic input, two-step confirmation, customizable themes, and JSON-based storage.

A continuous traceroute tool for Windows — a prettier, live per-hop loss/latency table like WinMTR. Two editions of the same app: Python/PySide6 (XtreMTR) and Go/Wails+Svelte (Go-TR).