FRP Manager is a Windows desktop GUI application built in Go for managing multiple FRP (Fast Reverse Proxy) client configurations. It provides a graphical interface to create, edit, start, stop, and monitor reverse proxy tunnels without manually writing config files. The application supports hot reload, multi-config management, import/export (ZIP, clipboard, URL), self-destruct configs, NAT discovery, and status tracking via named-pipe IPC between the GUI and background Windows services. It wraps the FRP client binary and offers both GUI mode and Windows service mode, with service lifecycle management integrated into the UI. The architecture is organized into clear packages: `ui/` for the Walk-based GUI components, `services/` for Windows service interaction, `pkg/config/` for parsing and converting INI/TOML configs, `pkg/ipc/` for inter-process communication, and `pkg/util/` for common utilities. External dependencies include the FRP library (`fatedier/frp` v0.71.0), the `lxn/walk` GUI toolkit (via a custom fork), and Windows-specific APIs. The project has a comprehensive i18n system supporting six languages and a CI/CD pipeline that builds MSI installers and signed executables. The codebase is actively maintained, with recent commits and regular releases, and demonstrates solid engineering practices including unit tests, code linting, and structured package design.