WebPlotDigitizer - Web based tool to extract numerical data from plots, images and maps.

Download FlacSquisher for free. A utility to convert a Flac library to MP3, Opus or Ogg Vorbis format. FlacSquisher converts a library of Flac files to MP3, Opus, or Ogg Vorbis format, maintaining the directory structure in the original library. That way, you can maintain your Flac files for home listening, and easily convert them to MP3, Opus, or Ogg format for mobile use, where storage space is more often tightly constrained.

MultiDoc Converter is a Freeware software to convert multiple documents between Word, OpenOffice, PDF and many more