Google Open Source - All of Googles open source projects under a single umbrella
Disney Open Source - Explore Disney's Open Source projects
Log Owl - Open-source, privacy-focused error tracking and analytics
Code NASA - 253 NASA open source software projects
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
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