Collaboration Tool

Assuming you are part of a team that has team members in various part of the world, the team member needs to work together on a project.  They need to share documents, have ongoing live conference meetings to discuss project status and collaborate on design documents, keep track the changes made to project documents, able to do online discussion and keep track of project schedules.  

Please research what software product tools/platforms (3 different software tools) available on the market and recommend one integrated software tools that best meet the aforementioned team requirement. 

If there is no one software tools can achieve these requirements, you can supplement different software tool in addition to the integrated tools that you selected. 

Please provide pro and con for 3 different software tools as part of your evaluation and recommend the best software collaboration tools for the team to use.

Minimum 1000 words (please include word counts at the top of your document).