matterwiki is described as 'A simple and beautiful wiki for teams' and is an app in the Education & Reference category. There are eight alternatives to matterwiki for a variety of platforms, including Online / Web-based, MediaWiki, Android, iPhone and Android Tablet. The best alternative is Wikipedia, which is both free and Open Source. Other great apps like matterwiki are WikiSpooks.com (Free, Open Source), WikiIndex (Free, Open Source), Leftypedia (Free, Open Source) and Huma2.com (Free).
Wikipedia is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Wikipedia has 17 million articles (3.5 million in English), which have been written collaboratively by volunteers around the world.
WikiSpooks is a global alternative encyclopedia on politics, spy craft, deep state intelligence, and conspiracies, free of corporate influence, partisan politics, or government propaganda for historians and truth-seekers to read, edit, and share.
Welcome to WikiIndex, a wiki of all wiki, wiki people, wiki software, wiki farms, and wiki ideas, a 'work in progress' founded in 2006. This is part of a continued effort to self-organize information collaboratively, started by Ward Cunningham a decade ago.
The underlying idea is organizing millions of contributors to collect and organize all of human knowledge into a vast library and at the same time paying the contributors an increasing share of the revenues earned through advertising