For many institutions across sub-Saharan Africa, reliable internet connectivity remains an aspiration rather than a reality. Yet the commitment to providing learners with quality digital learning resources does not — and should not — wait for infrastructure to catch up. A well-configured offline digital learning environment can deliver most of the benefits of connected learning at a fraction of the cost, using tools that are open source and freely available.
Here are six resources worth knowing about if you are planning to set up an offline learning environment.
Kiwix
Kiwix is an offline reader for web content — originally developed to make Wikipedia accessible without internet, but capable of distributing any HTML-based content. It uses the ZIM open file format and is most commonly installed in schools, universities, and libraries that cannot afford reliable broadband. It runs on Windows and Linux, and can be packaged on a Raspberry Pi for portable deployment. Beyond Wikipedia, Kiwix can distribute TED Talks, WikiSource, PhET simulations, and other open content packages. Visit kiwix.org.
Kolibri
Kolibri is an offline education application from Learning Equality that makes it possible to access educational content from a low-cost local server using any nearby device with a browser and Wi-Fi — without internet access. It comes equipped with interactive exercises with real-time feedback and supports both self-paced and collaborative learning. A strong choice for classroom and community learning contexts where a local server can be set up. Visit learningequality.org/kolibri.
BluPoint
BluPoint provides a low-cost, solar-powered, pop-up intranet solution for delivering digital content without internet connectivity. It can be accessed on a range of mobile devices — including low-end phones — and is designed for rapid deployment in remote or underserved areas. Particularly suited to NGO and development sector contexts where permanent infrastructure is not viable. Visit blupoint.org.
RACHEL
RACHEL (Remote Area Community Hotspots for Education and Learning) is a Raspberry Pi-based offline educational server pre-loaded with substantial educational content: Khan Academy materials, Wikipedia, literature, reference material, first aid textbooks, and community resources. Accessed via a web browser, it requires no internet connection once deployed. A solid choice for rural schools and community learning centres. More information via the Raspberry Pi Foundation.
KA Lite
KA Lite is an open source offline version of Khan Academy. Running as a local server, it allows learners to watch Khan Academy videos, complete exercises, and have their progress tracked — entirely without internet. It supports personalised, classroom, and school-wide usage and is available in ten languages. A powerful and widely deployed tool for mathematics and science learning in offline environments. Visit learningequality.org/ka-lite.
PhET Interactive Simulations
PhET is a collection of free interactive simulations for teaching and learning mathematics and science, developed by the University of Colorado Boulder. Simulations can be used online or downloaded for offline use, covering Physics, Chemistry, Biology, Earth Science, and Mathematics. They are research-based and designed for intuitive, exploratory engagement — effectively a game-like learning environment grounded in curriculum. Visit phet.colorado.edu.
Key takeaway: The absence of internet connectivity is not a barrier to digital learning — it is a design constraint. The tools above prove that high-quality, trackable, interactive learning can be delivered entirely offline when the right infrastructure is in place.