Thanks to the hard work of many developers, there are a lot of free resources to help save time.

Nozbe:

Nozbe
Nozbe – A great tool for time and project management.

Open Atrium:

Open Atrium
Open Atrium – An online intranet. It helps teams communicate when working on projects.

Evernote:

Evernote
Evernote is a great way for people who always take notes and snippets online, to save them and be organized online.

Share Den:

Shareden
Share Den is a great and free way to store, send and share files with people you are working with.

hiTask:

hiTask
HiTask – A great tool for designers to stay organized with task management.