crescendo ☆
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Description:
Real time event viewer
Type: Cask  |  Latest Version: 1.0.4@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: monitoring security debugging system-events macos
Install: brew install --cask crescendo
About:
Crescendo is a real-time event viewer for macOS that leverages the EndpointSecurity API to monitor system events. It provides detailed insights into process executions, file modifications, and network connections as they occur. This tool is invaluable for security professionals and developers needing deep visibility into system behavior.
Key Features:
  • Real-time monitoring of system events via EndpointSecurity API
  • Structured output for easy parsing and analysis
  • Focus on process, file, and network activity
  • Low-level system visibility
Use Cases:
  • Security incident response and threat hunting
  • Debugging complex application behavior
  • Monitoring unauthorized system changes
Alternatives:
  • opensnoop – Part of DTrace, focuses only on file operations, requires disabling SIP for full functionality
  • fs_usage – Built-in macOS utility, shows filesystem activity but lacks structured output and comprehensive event types
Version History
Detected Version Rev Change Commit
Aug 5, 2025 2:16pm 1.0.4 0 VERSION_BUMP 2db18b8a
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