Uptime - Learning Alternatives

Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.

Brilliant - Understand concepts and build your problem solving skills with thousands of free problems and examples in math, science, and engineering.

Holistic service management: service, support + customer care. From Ticketing to Helpdesk, Service Desk, ITSM to Enterprise Service Management

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The Textbook of the Future.

Open Source

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

Use engaging videos on TED-Ed to create customized lessons. You can use, tweak, or completely redo any lesson featured on TED-Ed, or create lessons from scratch based on any video from YouTube.

Wikiversity is a Wikimedia Foundation project devoted to learning resources, learning projects, and research for use in all levels, types, and styles of education from pre-school to university, including professional training and informal learning.

Deepstash helps you discover yourself and grow towards achieving your life goals.

free

Concise book summaries of essential nonfiction

Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.

Scholarpedia is a wiki-based encyclopedia that features the English language articles and helpful materials only.

Remember more of what you learn with the note taking app focused on learning.

Key insights from 6,000+ bestselling books and podcasts

freemium €6.67 / Monthly

HandWiki is an online encyclopedia for collaborative editing of articles dedicated to applications of computers, software and programming in science and technology