Plume - App for writing documents, scripts, books and more.
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Flamingo for Twitter - Flamingo for Twitter is a bright and colorful Twitter client that comes with a simple interface.
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
Twicca - Twicca is a Twitter client for Android that is simply awesome. Features: * Notification
Nagios - Complete monitoring and alerting for servers, switches, applications, and services