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
GoodUI Evidence - People's A/B test results that show which UI ideas work best
Hawk - Hawk provides visual user tracking and error reporting with live screen view, deep filtering and robust access control.
Decidr - Make better decisions with quick A/B polls
AppSignal - We monitor the software that makes your customers happy.
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.