Tinode - Tinode Instant Messaging
Padlet - Visual boards for organizing anything.
IRCCloud - IRCCloud is a modern IRC client that keeps you connected, with none of the baggage. Stay synced and notified wherever you are with our web and mobile apps.
BookWidgets - BookWidgets is an excellent application that let you create engaging exercises in minutes and easily share a varied variety of beautiful and fun activities with your classroom and others.
SeaMonkey - The SeaMonkey project is a community effort to develop the SeaMonkey all-in-one internet...
Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.