gmon

A lightweight, cross-platform system resource monitor for the terminal, written in Go.

Features

• Real-time monitoring with live refresh
• CPU usage per core + temperature
• Memory usage
• Disk partitions and usage
• System info (OS, hostname, kernel, uptime)
• Cross-platform: Linux, macOS, Windows

Installation

Arch Linux (AUR)

yay -S gmon

From source

git clone https://github.com/rainblower/gmon
cd gmon
go build -o gmon .

Pre-built binaries

Download from the releases page for your platform:

Platform	File
Linux amd64	gmon_linux_amd64
Linux arm64	gmon_linux_arm64
macOS amd64	gmon_darwin_amd64
macOS arm64	gmon_darwin_arm64
Windows amd64	gmon_windows_amd64.exe
Windows arm64	gmon_windows_arm64.exe

Usage

gmon [flags]

Flag	Short	Description
--info	-i	Show system info
--cpu	-c	Show CPU info
--memory	-m	Show memory info
--disk	-d	Show disk info
--realtime	-r	Real-time monitoring
--version	-v	Show version

Examples

# Real-time dashboard (all metrics)
gmon

# One-shot output for all metrics
gmon -i -c -m -d

# CPU only, real-time
gmon -c -r

# Memory and disk snapshot
gmon -m -d

Building for all platforms

./build.sh

Binaries are placed in ./build/.

Supported platforms

OS	amd64	arm64
Linux	✓	✓
macOS	✓	✓
Windows	✓	✓

Requirements

• Go 1.22+

Dependencies

• gopsutil — system metrics
• cobra — CLI framework
• bubbletea — TUI framework
• lipgloss — terminal styling

License

MIT