fsmonitor ☆

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Description:
Visualize filesystem changes in realtime

Type: Cask | Latest Version: 1.2,137@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: filesystem monitoring developer-tools macos utility

Install: brew install --cask fsmonitor

About:
fsmonitor is a macOS utility that provides a real-time visual dashboard of all filesystem activity on your machine. It tracks file creations, modifications, deletions, and metadata changes, presenting them in an intuitive interface. This allows developers and power users to instantly see which processes are affecting their files without using command-line tools.

Key Features:

Real-time visualization of all filesystem events
Detailed process information for each change
Filtering capabilities to focus on specific files or applications
Low-overhead monitoring designed for continuous use

Use Cases:

Debugging build tools or scripts that modify files unexpectedly
Monitoring application data directories for configuration changes
Auditing what background processes are writing to disk

Alternatives:

fswatch – Command-line tool for monitoring file changes, lacks the visual dashboard of fsmonitor
Hazel – Automates file organization based on rules, not focused on real-time monitoring and visualization

Version History

Detected	Version	Rev	Change	Commit
Aug 2, 2025 11:03pm	1.2,137	0	VERSION_BUMP	03054977