As a SharePoint developer, I have to fix bugs, issues, exceptions, etc. in my custom applications. Often, I have to check ULS logs files in 14 hive for information logged by SharePoint.
ULS Viewer is an application that can be used to analyze ULS log files. Though Microsoft does not support this application, it does recommend it to be used for analyzing the log files.
Download 32 bit or 64 bit version of the application from the below location: