Coming from a strong project management background in our business lives it made perfect sense for us to use many of these principles and apply them to our exploration around the world, especially during our planning phase.
“failing to plan, is planning to fail”
We needed a web-based application so that we could always access wherever we are and would not have problems with version control. We can download the latest project plan to our devices or work online, depending on connections of course.
Anyhow, check out smartsheet and see if it meets your needs.