MP3Gain - A free automatic mp3 volume normalizer.
Okular - Okular is a universal document viewer based developed by KDE.
QMP3Gain - Graphical user interface front end supporting MP3Gain engine which analyzes and losslessly adjusts...
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
easyMP3Gain - Graphical User Interface (GUI) for MP3Gain, VorbisGain and AACGain (enables you to modify the...
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.