RSS Feeds

Mac Laptop/Desktop Apps
NetNewsWire

PC Laptop/Desktop Apps
FeedDemon
SharpReader

iPad Apps
Feeddler
MobileRSS HD
Pulse

Microblogging

Mac Laptop/Desktop Apps
Twitter for Mac
TweetDeck for Mac

PC Laptop/Desktop Apps
Twhirl
TweetDeck

iPad Apps
Twitter
Twitterific

Cloud Services

Desktop/Laptop
Google Drive
Dropbox.com
SkyDrive

iPad Apps
Google Drive
Dropbox.com
SkyDrive

PDF Readers/Editors

iPad Apps
iAnnotate PDF
GoodReader

File Sharing / Resource management

Desktop/Laptop
Evernote

iPad App
Evernote
Clever HD

Website development

Desktop/Laptop
Weebly
Google Sites

iPad Apps
Weebly

Productivity Apps

Simplenote
CloudOn
SoundNote or Audiotorium
gDocuments
Clear
Elements
Presentation Clock