Infogalactic Alternatives

Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

Oppia is a free, open-source learning platform.

Stubia is a mobile encyclopedia that limits each article to 160 characters: this limitation makes...

The world's largest english encyclopedia

Kiwix enables you to have the whole Wikipedia at hand wherever you go!

Anyone can create a wiki!

WikiTaxi It's a portable application that delivers the Wikipedia of your choice to wherever you...

Discover the world and enjoy beautiful typography with Viki - Wikipedia.

The free, open-source, offline wiki application

Moodle - Open-source learning platform | Moodle.org

Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...

Reference.com is the #1 question answering service that delivers the best answers from the web and real people - all in one place.