Web content and comments associated in a structured storage system.
Links can be collected and structured allowing for easier reading, management and sharing. Latest version is HTML5 compliant, meaning great integration with any kind of web-enabled device. Files, photos and notes can also be shared. Premium version allows for private collections.
Chrome
Mentimeter
PollEverywhere
Pingo
Quizlet
Flashfox
Socrative
MyHomework
NearPod
On Webinar
Facebook
Google Sites
Wix
Linkedin
Google hangout
Schoology
Skype
Groupboard
Linoit
Twitter
Blogger
Wordpress
Dropbox
Google Drive
Pocket
Delicious
SplashTop Remote Desktop
Diigo
Splashtop Whiteboard
Netvibes
Piazza 
LiveBinder
Symbaloo
Pinterest
Scoop.It
SlideShare
Prezi
Kindle
Blio
Quickoffice
Adobe Reader PDF
Scribd
Dragon Dictation
Evernote
Simplemind
WeVideo
Mobento
TED
i.nigma
Layar
Wikitude
Junaio
Aurasma
Geocaching
Mint
EarthViewer
Google Earth
Street View for Maps
History Pin
Zondle
WordBucket
Flashcards
50 Languages
Learn Languages with Busuu
English Level Test
Tellagami
Merriam-Webster Dictionary
English-Hungarian Dictionary
LectureNotes
CamScanner
Skitch
IFTTT
Explain EverythingES File Explorer File ManagerOneDrive