Photo credit: Dimensions

1. WhoDoes 2.0: Manage your projects in workspaces and monitor on-going activities
2. DeskAway: Organize your team with shared calendar, task manager and file sharing
3. LuckyCal: Schedule appointments through a social calendar
4. Apprise: Send via Twitter or AIM your interesting RSS feed news

1. WhoDoes 2.0
   
   WhoDoes 2.0 is a project management service that anyone can use to easily monitor your on-going projects. You can create workspaces where you can create and manage all the activities assigned to each member of the team. Files of any type can be archived and viewed by all members in the shared space. The free account gives you up to 5MB of storage and one project. More plans are available with up to 1GB of space and 100 projects.
   http://whodo.es/








2. DeskAway
   
   DeskAway is a project management system that you can use to easily organize your team. DeskAway features shared calendars, task assignment system, file and document sharing, message boards and more. The free version comes with 25MB of storage and up to 5 members per team. You can check the pro versions here.
   http://www.deskaway.com/







3. LuckyCal
   
   LuckyCal is a free social calendar that you can use to arrange meetings with other people. To use it, just import your friend lists from Google, Facebook, or other social sites, and choose which ones you’d like to include in your calendar updates: when one of them indicates that they will be in your area or that they want to schedule an appointment, LuckyCal will check your availability and then alert you. Free to use.
   http://www.luckycal.com/







4. Apprise
   
   Apprise is an Adobe AIR based RSS feed reader with sharing capabilities. After you install it and add your RSS feeds, you can start sharing all of your interesting news to your friends: just drag and drop (or copy and paste) articles to share them to your buddies in your AIM contact list, post them directly on Twitter, or just email them to anyone you want. Free to use, Adobe AIR required.
   http://www.apprisereader.com/