Diagnostic tools downloads

Diagnostic tools
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Disk First Aid
Disk First Aid is an easy to use utility that verifies and repairs some problems that may...
Freeware
Classic

Added Dec 26, 2000
98% popularity
iBoostUp
Has your Mac become slow and unresponsive? Has it lost some of the zing it used to have?
Freeware
10.6 / OS X / 10.7 / 10.8

Added Nov 1, 2014
96% popularity
LCD Screen Tester
This utility lets you test the Active Matrix Display of your PowerBook or iBook for stuck...
Freeware
OS X

Added Jun 17, 2002
94% popularity
Apple Error Codes
Search by code or topic, or just browse. Several hundred codes are included, some with...
Freeware
Classic

Added Dec 1, 1998
91% popularity
ResEdit
ResEdit is Apple's own utility for changing a file's resources.
Freeware
Classic

Added Jul 14, 1999
89% popularity
TechTool Lite
TechTool Lite is a diagnostic tool that will rebuild your desktop, zap your PRAM and...
Freeware
Classic

Added Sep 11, 2002
87% popularity
SCSI Probe
SCSI Probe determines the type, version and product name for every device connected.
Freeware
Classic

Added Apr 16, 2001
85% popularity
KisMac
KisMAC is an open-source and free stumbler/scanner application for Mac OS X.
Freeware
10.6 / 10.7

Added Mar 6, 2012
72% popularity
Lab Tick
Gives control over PowerBook's or MacBook Pro's backlit keyboard (if available).
Freeware
OS X

Added Mar 29, 2007
66% popularity
Installer Observer
Installer Observer determines exactly what an installer has done to your system.
Freeware
Classic

Added Aug 28, 2000
60% popularity
FixDates
This program scans for files with bad creation or modification dates, and fixes them.
Freeware
Classic / OS X

Added Jul 7, 2004
51% popularity
iTweax
A free utility to reveal some useful hidden features and maintenance tools.
Freeware
OS X

Added Oct 30, 2009
45% popularity
GURU
GURU is an acronym that stands for GUide to Ram Upgrades.
Freeware
Classic

Added Jul 18, 2000
38% popularity
Slot Info
Slot Info tests and reports information on all cards that are plugged into your Macintosh...
Freeware
Classic

Added Jul 9, 1998
36% popularity
TattleTech
TattleTech is a much improved version of the old TattleTale.
Freeware
Classic

Added Jun 22, 2002
34% popularity
Low Disk Space Script
This is a simple AppleScript that tests two things: 1.
Freeware
OS X

Added Oct 7, 2009
15% popularity
TM Error Logger
TM Error Logger is a Macintosh Time Machine error-reporting program.
Freeware
OS X

Added Sep 5, 2009
13% popularity
MiniUsage
MiniUsage displays various data like CPU usage, amount of network flow, battery status and...
Freeware
10.5 / 10.6 / OS X / 10.7

Added Aug 9, 2012
9% popularity
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