RTTL2WAV converts a RTTTL-formatted mobile phone ringing tone to a WAV file. The output of this program can also be copied to stdout as a raw PCM data (linear 44.1kHz signed 16bit integers). It also includes a shell script which allows you to listen ringing tones directly with your sound card.
UModPlayer is a multiplatform console module playing software for UNIX systems (such as Linux or NetBSD). It provides full sound option customizing, playlist support (with the ability to move, edit, import, and save lists), a WAV and AIFF writer, a file browser, a message viewer, an instruments viewer, and much more. It uses LibModPlug and LibAo.
MIDI to MP3 Converter for Mac is a tool that converts MIDI files to MP3 or WAV. It uses an intelligent conversion technique, allowing you to convert a 5 minute MIDI file in just a few seconds. It also produces high quality sound that may significantly surpass capabilities of your built-in sound card. MIDI to MP3 Converter uses SoundFonts to perform the converion, which greatly increases flexibility. You can choose an appropriate SoundFont for every MIDI file, or even supply each instrument of your composition with an individual SoundFont (piano, guitar, trumpet etc.). MIDI to MP3 Converter includes an editor for controlling ID3 tag information in the output files. The program also offers a number of sound effects. It is possible to set tempo, reverb, and chorus effects.