Endless Key, a completely free and safe app for ChromeOS, Windows, and Linux.
Learners can explore dozens of educational resources that are carefully curated to provide extended learning, academic enrichment, and interest-based options like coding, arts & crafts, cooking, and career exploration.
Why Endless Key?
Endless Key works both online and offline after downloading, ensuring all learners, no matter where they are, can access the same resources. This levels the playing field and helps bridge the digital divide by giving learners equal access to educational resources, regardless of internet connectivity.
Grades 5 - 9
Private and Safe
Curated Content
Completely Free
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World-class content
Our content is provided and curated by world leaders in education such as Ted-Ed, Khan Academy, SciGirls, and much more.
Some key benefits
For Teachers
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Includes vetted resources from leading educational organizations
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Supports self-guided learners
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Supplements traditional lessons
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Promotes diversity and cultural relevance
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Completely free
For Learners
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Works online and offline
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Encourages curiosity-driven learning
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Provides a safe learning environment
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Meets data privacy requirements
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Curated to be interest-based
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Completely free
Start exploring today!
Download Endless Key for your Chromebook or Windows or Linux PC, or try our online demo.
What teachers and learners have to say about Endless Key

Middle School Student
"I like that I can use it without the internet because even when I can use the internet, it is very slow and it doesn't work very well. I also like all of the new things I can learn."

Ms Zubida Bakheit
Teacher
"Learners can access Endless Key anywhere and they have access to information that is reliable and relevant. The Key checks off all the boxes in terms of relevance, ease of use and use on multiple devices."

Middle School Student
"I liked the design of Endless Key and how much information it had. I was drawn to it because of how useful it was."
Frequently Asked Questions
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Why should I choose Endless Key?Endless Key offers equitable, free, and safe learning resources that are accessible online and offline. This makes it available for anyone, anywhere!
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Why is Endless Key free?Endless OS Foundation is a non-profit, with a mission to bridge the digital divide. Endless Key is one step closer to bringing safe and accessible learning materials to those who are disconnected. By making it free, we make it more accessible to all.
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Who benefits from Endless Key?Learners from grade 5 to grade 9.
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Does the content come in different languages?Yes, Endless Key has both English and Spanish content inside.
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How does Endless Key protect student privacy?Students do not need to create an account to use Endless Key. We do not collect names or other personal information.
Need help installing Endless Key on multiple school devices?
We provide support to schools and districts. Leave your information with us