Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.

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.

Hours - Boosting productivity through live, virtual co-working.

Bit.ai - Bit is a smart real-time document collaboration platform for teams to create interactive documents, manage digital content and track document insights.

Futuramo Time Tracker - Futuramo Time Tracker is a time tracking solutions designed for freelancers and teams.

Apple iWork - iWork is an office suite by Apple.