OpenSong is a free, open-source application designed for managing lyrics, chords, lead sheets, and computer projections. It offers a range of features that allow users to automatically transpose chords to any key, print sheets with various chord formats, and customize font styles for different elements of the sheet, including titles, authors, and lyrics. Additionally, users can track essential song information such as tempo, time signature, and copyright details.

The software also supports live presentations, enabling users to display songs in a specified order, present Bible verses, or create timed loops for announcements or other content. Users can fully customize their presentations with different font styles, sizes, and background images, ensuring that all materials are visually appealing and easy to read. OpenSong is a versatile tool for anyone involved in music and presentations.