Oppia Alternatives

The planetary knowledge core

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

Moodle - Open-source learning platform | Moodle.org

The world's largest english encyclopedia

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

Anyone can create a wiki!

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

The edx-platform is the main repository of edX Code covering both the LMS and the authoring tool...

Chamilo is a software that allows you to create a virtual campus for the provision of online or semi-online training.

Edmodo is an easy way to get your students connected so they can safely collaborate, get and stay organized, and access assignments, grades, and school messages.

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

Lingoes is an easy and intuitive dictionary and text translation software.