Toucan is described as 'will teach you Spanish, German, Italian, Portuguese and French without ever opening a textbook' and is an app in the Education & Reference category. There are more than 100 alternatives to Toucan for a variety of platforms, including Online / Web-based, Android, iPhone, iPad and Android Tablet. The best alternative is Duolingo, which is free. Other great apps like Toucan are Memrise (Freemium), LibreLingo (Free, Open Source), Rosetta Stone (Paid) and Busuu (Freemium).
TrackTest.eu is an online assessment tool for companies and individuals. It is a cost-effective solution for the continuous tracking of students language skills and measuring ROI (return-on-investment) of their language tuition
This app can be used in self teaching of languages and as an addition to English lessons. With this course one can master grammar easily and learn to build sentences correctly. It will also help to avoid mistakes in oral speech and writing.