Perfmon introduces a modern TUI performance monitor consolidating diagnostic tools into one terminal interface. Traditional monitoring tools often overwhelm users with excessive information or lack customization. Perfmon solves this by combining outputs from top, vmstat, and netstat into a clean, tabbed interface providing focused system visibility without clutter.

Built with Go and Bubble Tea framework, Perfmon delivers blazing fast performance with minimal CPU overhead. The tool offers live sparklines for Load, CPU, Memory, and Network metrics, giving immediate visual feedback on system health. Its cross-platform design works seamlessly on both Linux and macOS with intelligent defaults.

Configuration flexibility sets Perfmon apart. Users can personalize monitoring through a simple TOML file located in ~/.config/perfmon/config.toml or current directory. The tool supports custom commands, refresh intervals, and environment-specific settings. Installation is straightforward via pre-built binaries or from source using a simple Makefile workflow.