Apple iWork - iWork is an office suite by Apple.
Weekdone - Market leader and innovator since 2013. Set structured quarterly goals, keep track of activities, and focus on getting real business results. Track weekly progress, provide feedback, and move everyone in a unified direction.
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.
Quantive - The best platform for turning strategy into results.
Airborn - Create and edit documents online without sacrificing your privacy
Workboard - Workboard is a performance and productivity app managers use with their teams to share goals, priorities, actions and feedback.