If you always dreamed of learning how to play guitar, this course might be of great help!
Guitar Lessons: Unit One for Beginners is a software specially designed for learning the guitar. It has several tools to learn the guitar, even for beginners. At first, you learn all the elements that make up a guitar and the different types that exist such as the electric guitar, folk guitar and many more. The tutorials are in PDF format and exercises are provided by the user level. There are also games to make lessons more fun. It also has a recorder and a metronome.
Yes, the software is free of charge. However, if you like it you can donate to its creators via its official webpage.