There are a lot of search engines, with more coming online every day. This is a list of search engines that I’ve come across, and some information about them that I found interesting.
|Name||Website||Own crawler||Open source|
|Google dataset search||datasetsearch.research.google.com||No||No|
Marginalia Search is an independent search engine with its own crawler. It focuses on searching the small web, and filtering out advertisement-heavy or otherwise low-quality websites.
The search engine is open source, you can find the source code here.
Google dataset search
Google dataset search is a search engine that indexes datasets. It is not a general purpose search engine, but it is useful for finding datasets.