TopManager

A native macOS system monitor application built with SwiftUI. TopManager provides real-time monitoring of system resources including processes, applications, CPU, memory, GPU, storage, and network.

Screenshots

Processes

Apps

Performance - CPU

Performance - Memory

Performance - Network

Power & Storage

Features

Processes Tab

• View all running processes with CPU, memory, and thread information
• Sort by any column (name, PID, CPU%, memory, threads, user, state)
• Process states: Running, Sleeping, Stopped, Zombie
• Context menu to terminate, force kill, suspend, or resume processes
• Search processes by name or PID

Apps Tab

• View running user-facing applications
• Shows app icons, CPU/memory usage, and bundle identifiers
• Quick actions: Activate, Hide, Quit, Force Quit
• Copy bundle ID to clipboard

Performance Tab

• Real-time CPU usage graphs (global and per-core)
• Memory usage visualization with donut chart
• Network throughput monitoring
• Support for Apple Silicon P-cores and E-cores

Power & Storage Tab

• System status: macOS version, uptime, thermal state
• CPU and GPU core counts
• GPU memory/VRAM usage
• Storage volumes with usage bars
• Network interface statistics

Requirements

• macOS 13.0 or later
• Xcode 15.0 or later (for building)

Building

1. Clone the repository:

   git clone https://github.com/hariel1985/TopManager.git

2. Open TopManager.xcodeproj in Xcode

3. Build and run (⌘R)

License

This project is licensed under the GNU General Public License v3.0 - see the LICENSE file for details.

Acknowledgments

Built with SwiftUI and native macOS APIs including:

• libproc for process information
• IOKit for GPU and hardware monitoring
• Metal for GPU detection
• SystemConfiguration for network monitoring