The native macOS alternative to Process Explorer with advanced process monitoring capabilities
WebAssembly sandbox for running untrusted Python safely
Stage
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free version with core features; paid license $34.99 USD for lifetime updates and unlimited devices. Also available on Setapp for $14.99/year or $34.99 lifetime.
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Key features
Per-process CPU and memory history
Process tree visualization with XPC service linking
Real-time disk I/O and memory pressure monitoring
CPU QoS breakdown and memory footprint analysis
Menu bar dashboard for system health tracking
Multi-property and regex search
JavaScript-based advanced filters
Deep process inspection with signature and entitlements info
CSV export for historical data and reporting
Full CPython 3.14 with standard library
Async callbacks from sandboxed code
No filesystem or network unless allowed
Fast startup in 1–5 milliseconds
Embed from Python, JavaScript or Rust
MCP server support
gRPC server deployment
Hosted execution over HTTP and WebSocket
What makes it different
Visualize complex process hierarchies with automatic XPC service linking
Advanced JavaScript filtering and multi-property regex search
Historical performance tracking with peak and average metrics
Retains information about finished processes for later analysis
Fully private with no data collection or remote transmission
ProcessSpy
eryx