Wiktionary is described as 'Multilingual, web-based project to create a free content dictionary, available in 158 languages. Unlike standard dictionaries, it is written collaboratively by volunteers, dubbed "Wiktionarians", using wiki software, allowing articles to be changed by' and is a popular Dictionary in the education & reference category. There are more than 50 alternatives to Wiktionary for a variety of platforms, including Web-based, Android, iPhone, Mac and Windows apps. The best Wiktionary alternative is GoldenDict, which is both free and Open Source. Other great apps like Wiktionary are Translate You, Wordnote Dictionary, WordReference and GoldenDict-ng.