Kiwix - Kiwix enables you to have the whole Wikipedia at hand wherever you go!
DuckDuckGo - The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Google - Google Search, also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web
XOWA - The free, open-source, offline wiki application
Searx - Open source metasearch engine