Swift Selection Search - Swiftly access your search engines in a popup panel when you select text in a webpage.
Jive Search - A search engine that doesn't track you.
StartPage - Startpage search engine, the new private way to search Google. Protect your Privacy with Startpage!
Yase - Yase is a privacy friendly search engine
ATLAS.ti - ATLAS.ti is a powerful workbench for the qualitative analysis of large bodies of textual, graphical, audio and video data. It offers a variety of sophisticated tools for accomplishing the tasks associated with any systematic approach to "soft" data.
DuckDuckGo - The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.