LogTailApp - LogTail is a local and remote (SSH) log file viewer and monitoring application for Mac OS X. It is a pure, modern, document-based Cocoa App
Google Open Source - All of Googles open source projects under a single umbrella
Hawk - Hawk provides visual user tracking and error reporting with live screen view, deep filtering and robust access control.
Code NASA - 253 NASA open source software projects
AppSignal - We monitor the software that makes your customers happy.
Disney Open Source - Explore Disney's Open Source projects