Apple iWork - iWork is an office suite by Apple.
VC Starter Kit - Everything you need to look like a Venture Capitalist
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
Bit.ai - Bit is a smart real-time document collaboration platform for teams to create interactive documents, manage digital content and track document insights.
PingPoint - Never miss a Mark Zuckerberg signup to your app ever again