connectivity-test

Honest OpenVPN endpoint benchmarker & config optimizer — test .ovpn files, pick the fastest working VPN server, emit a safe optimized config. Pure-Python CLI, cross-platform.

Self-hosted echo/sound-test service for Telegram voice & video calls — answers, echoes your audio back, and records it, so you can verify calls work over flaky links, DPI firewalls, or proxies. Built on TDLib + tgcalls.

Zero-dependency PowerShell tool for ranking Amazon Lightsail Regions and validating real instance IP connectivity.

持续检查代理节点能否真正打开目标网页，查看连接失败的原因、历史记录和可用率。