htop-go (Unix)

A minimal htop clone in Go for Unix systems (Linux, macOS).

Features

• Real-time CPU and memory usage display
• Process list with sorting (CPU%, Mem%, PID, Name)
• TUI built with tview
• System metrics via gopsutil

Build

make build

Run

./bin/htop-go

Keyboard Shortcuts

Key	Action
q / Esc	Quit
c	Sort by CPU%
m	Sort by Mem%
p	Sort by PID
n	Sort by Name

Architecture

htop/unix/go/
├── cmd/htop-go/main.go       # Entry point
├── internal/
│   ├── metrics/               # System & process metrics
│   │   ├── system.go
│   │   └── processes.go
│   └── ui/                    # TUI components
│       └── ui.go
├── go.mod
└── Makefile

Comparison with Rust Version

Feature	Go (this)	Rust (htop/unix/rust)
TUI Framework	tview	ratatui
Sparkline History	❌	✅
Process Kill	❌	✅
Search Filter	❌	✅
Adjustable Refresh	❌	✅

This Go implementation focuses on simplicity and demonstrates idiomatic Go patterns for TUI applications.

License

MIT OR Apache-2.0