Discover Linux Softwares to Meta-Search.
Although not strictly a meta-search engine, Google incorporates results from specialized databases and properties.
InvisibleHand discretely helps users find lower prices while shopping online. It acts as a smart browser extension, automatically notifying you if the product or flight you are viewing is available at a cheaper price on another retailer's or travel site.
Searx is a free and open-source metasearch engine that aggregates results from various search services without sharing your information with them. It prioritizes user privacy and provides a customizable search experience.