macOS Process Monitor — inspired by Process Hacker
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Native SwiftUI app for real-time process monitoring on macOS. View, search, sort, suspend, kill, and inspect every process running on your Mac.
| Feature | Description |
|---|---|
| Process List | Sortable table — PID, Name, CPU%, Memory, User, Threads, Status |
| Sparkline Graphs | Real-time CPU history per process, inline in the table |
| Process Tree | Toggle between flat list and parent-child hierarchy |
| Inspector Panel | Tabbed detail view: Info, Network, Files, Environment |
| Network Connections | Per-process TCP/UDP connections and listening ports |
| Open Files | All file descriptors with search filter |
| Environment Variables | Full env dump per process with search |
| Suspend / Resume | SIGSTOP / SIGCONT from toolbar or right-click menu |
| Kill Process | SIGTERM or SIGKILL with confirmation dialog |
| Priority Control | Adjust nice value with a slider |
| Export CSV | Export full process list to CSV |
| Dark / Light Theme | System, Light, or Dark — switchable from menu bar |
| Real App Icons | Displays actual application icons from the system |
| Search | Filter processes by name, PID, user, or path |
Grab the latest DMG from Releases, open it, and drag ProcLens to Applications.
Requires Xcode 16+ and xcodegen.
git clone https://github.com/NonBytes/ProcLens.git
cd ProcLens
xcodegen generate
open ProcLens.xcodeprojBuild and run with ⌘R.
| Shortcut | Action |
|---|---|
⌘R |
Refresh process list |
⌘E |
Export to CSV |
⌫ |
Terminate selected process |
- macOS 14.0 (Sonoma) or later
- Apple Silicon or Intel Mac (Universal Binary)
ProcLens/
├── App/ # App entry point, settings, theme
├── Models/ # ProcessItem, DetailModels (network, files, tree)
├── Services/ # ProcessManager, SystemMonitor, HistoryTracker,
│ # ProcessDetails, IconProvider
├── Views/ # ContentView, ProcessListView, ProcessTreeView,
│ # ProcessDetailView, SystemStatsView, SparklineView,
│ # DetailTabsView (Network/Files/Env tabs)
├── Bridge/ # C bridging for disk I/O
└── Assets.xcassets/ # App icon
- SwiftUI + @Observable (macOS 14 Observation framework)
- Darwin APIs —
sysctl,proc_pidinfo,proc_listallpids,host_processor_info - lsof — network connections and open files (on-demand)
- KERN_PROCARGS2 — environment variable extraction
MIT