Powerful Multimedia Command-Line Tools, Part I - SoX

SoX is a power-packed command-line tool for various types of audio processing. It's very useful as an audio format converter, and it can be used for resampling audio files, converting between endianness, audio encoding and modifying other attributes of common audio file formats.

Text flow in Writer

Most people are content to let their word processor determine hyphenation and text breaks for them. And, most of the time, the result is acceptable if they do. However, just as the default justification can be improved if you want to take the time, so can the text flow.