ScoreDate is described as 'is your date with the music !'. There are eight alternatives to ScoreDate for a variety of platforms, including Windows, Linux, Android, Mac and iPad. The best alternative is GNU Solfege, which is both free and Open Source. Other great apps like ScoreDate are KDE Minuet (Free, Open Source), EarMaster (Freemium), Perfect Ear (Freemium) and Jalmus (Free, Open Source).
Ear training, sight-singing, rhythm training and core music theory for musicians of all skill levels. 2500+ interactive lessons will take your musical skills to the next level and make you a better musician!.
LenMus is a free program for learning music. It allows you to focus on specific skills and exercises, on both theory and aural training. The different activities can be customized to meet your needs. It includes an score editor.