Commons free media repository mediawiki wiki software development meta-wiki wikimedia project coordination wikibooks free textbooks and manuals wikidata free knowledge base Wikidata free knowledge base wikiversity free learning resources wikiquote free quote compendium mediawiki free & open wiki software wikisource free content library wikispecies free species … Wikipedia started with an impossible idea:

Almost two decades later, we’ve made some serious progress. Nearly 300 languages, more than 45 million … In 2003, economics phd student andrea ciffolilli argued that the low transaction costs of participating in a wiki created a catalyst for collaborative development, and that features such as allowing easy … Wikidata free knowledge base wikiversity free course materials wikiquote free quote compendium mediawiki free & open wiki application wikisource free library wikispecies free species directory … A wiki is a website that anyone can participate in. From writing about your favorite topic, to adding a photo or fixing a typo, a wiki is a place where anyone can contribute and collaborate.

A wiki is a website that anyone can participate in. From writing about your favorite topic, to adding a photo or fixing a typo, a wiki is a place where anyone can contribute and collaborate.