Top NETWORK-TOOLS GitHub Repositories & Tools (2026)

Python-based Comprehensive Network Packet Analysis Library

macOS menu-bar app for fine-grained VPN routing: bypass the VPN for chosen domains/services, force others through it, or (Custom mode) route each domain/subnet out a specific egress — direct, a specific VPN, an HTTP/SOCKS5 proxy, or a Tailscale peer. Includes a vpnb CLI.

ClashFX — macOS proxy tool with Enhanced Mode (TUN)

Network Doctor is a cross-platform network troubleshooting TUI that turns interface, DNS, TCP, TLS, HTTP, proxy, and path-MTU checks into one plain-English diagnosis.