Freework - An easy way to keep track of your daily work

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.

Success Planner - Minimalist iOS/Android app to track daily tasks

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

everyhour - Improve your life balance: what gets measured, gets managed

Apple iWork - iWork is an office suite by Apple.