I recommend this for great timelines. http://www.smartsheet.com/ Below is from their website. Great app!

Spreadsheet Easy Instantly familiar, so everyone on your team “gets it” and hits the ground running. With one centralized, always-available tool, you’ll work smarter, not harder.
Works Your Way Flexible to manage any kind of work — from simple task lists to complex processes. Attach files, set alerts, automate workflows, view Gantt charts and more.
Scales Quickly Smartsheet delivers the security, integrations, and controls that exceed corporate requirements. User embraced, IT approved.

I like to help business implement SaaS solutions and become more cloud friendly. It allows everyone on the team to access all the data everywhere and on any device. It reduces internal IT costs, improves communication and availability. Ultimately everything comes down to how people in the team interact and how the business uses the best available solution to become more productive. Best of all, a lot of the available solutions are easy to implement and extremely user and client friendly.
Clef two-factor authentication