Code Cards Alternatives

Code Cards is described as 'helps you remember programming knowledge you don't use on a day to day basis using spaced repetition' and is an website in the Education & Reference category. There are more than 10 alternatives to Code Cards, not only websites but also apps for a variety of platforms, including Android, iPhone, Mac and Windows. The best alternative is Anki, which is both free and Open Source. Other great sites and apps similar to Code Cards are RemNote (Freemium), Kommit (Freemium, Open Source), Simply Learn Languages (Freemium) and Memcards (Freemium).