1. Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

  2. Google's encompassing suite of cloud-based business apps.

  3. Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

  4. A messaging app for teams who see through the Earth!

  5. Habitica is a free habit building and productivity application.

  6. Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

  7. Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.