Logger Lite software is free with the purchase of a Go! device. For more information about Logger Lite, see:

Product Overview
What are the differences between Logger Pro and Logger Lite?
How do I open a LabQuest qmbl file on a computer?

System Requirements
What are the system requirements for Logger Pro and Logger Lite?
Does my netbook work with Vernier software?
Can I install your software onto a USB drive?

General Troubleshooting Tips (Try first)
Many issues you have can be solved in a few simple steps: General Troubleshooting Tips for Vernier Products
Logger Lite does not detect any sensors.
Logger Lite does not find my LabPro.
The toolbar on Logger Pro or Logger Lite for Macintosh disappeared.
When using Mac OS X, why is the Logger Pro or Logger Lite window is missing, but the menu bar is visible.
Logger Pro or Logger Lite freezes during data collection with Go! devices on my G4 or G5 Mac.
Why doesn't my new Thermocouple work with Logger Pro or Logger Lite?
Logger Pro and Logger Lite need Mac OS 9.2, but I have OS 9.x. How do I upgrade?
When attempting to install the Logger Lite 1.4.1 Debian package on a Dell Mini 9, I receive the error message: "Error: Wrong architecture 'i386'"
Why does event with entry mode in Logger Pro give me doubled event entries?
LabQuest won't connect to Logger Pro.
Logger Lite crashes when a Go!Temp is connected to an Intel Macs running Mac OS X 10.4.