The document discusses several software programs: Gmail, Ubuntu, GIMP, and Audacity. For Gmail, it says it is a good program for communicating with others. For Ubuntu, it says it is an alternative to Windows that is very effective. For GIMP, it says it can be used to edit images and its tools are very useful and easy to use. For Audacity, it says it is useful for modifying music, making radio programs, and editing audio, and that it has simple and effective use.