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Sloth is an OS X application that displays a list of all open files and sockets in use by all running applications on your system. This makes it easy to see which apps are using which files and sockets.

Sloth is basically a GUI on top of the powerful lsof command-line tool. The output of lsof is parsed and shown in a searchable, filterable table view with some convenient user-friendly functionality, such as revealing files in Finder, killing a file's owning process, etc.

What's New

Version 2.3:
  • Now supports access mode filtering (e.g. read, write, read/write)
  • Search filter now also filters by PID
  • DNS and port name lookup for IP Sockets in Info Panel
  • Info Panel now identifies standard I/O stream character devices
  • New Search Filter menu with case sensitivity and regex options
  • New application icon
  • Fixed bug where Volumes


  • OS X 10.8 or later

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Sloth User Discussion

3.8 8


Current Version (2.x)


Downloads 11,391
Version Downloads 239
License Free
Date 17 Apr 2018
Platform Intel 64 / OS X
Price Free
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