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.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Padlet - Visual boards for organizing anything.
foobar2000 - An advanced freeware audio player for the Windows platform.
Socrative - Socrative helps teachers engage the class with educational activities to measure and visualize...
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.