"VROOSH.com is a metasearch engine that also acts as a metacrawler utilizing fast parallel metasearch technology for speed and accuracy. Metasearch using Keywords in any language, search in a specific Country with metacrawler or Ask-A-Question in any language. VROOSH! supports advanced boolean matching: +, -, "", AND, OR, NOT."
"Torrentz2.eu is the replacement of Torrentz.eu. A free, fast and powerful meta-search engine combining results from dozens of search engines. Indexing 55,106,798 torrents from 238,014,431 pages on 75 domains"
"RefSeek is a web search engine for students and researchers that aims to make academic information easily accessible to everyone. RefSeek searches more than five billion documents, including web pages, books, encyclopedias, journals, and newspapers."
"Intelligence X is a search engine and data archive.
Intelligence X is an independent European technology company founded in 2018 by Peter Kleissner. The company is based in Prague, Czech Republic. Its mission is to develop and maintain the search engine and data archive."
ProCog is a transparent search engine focused on quality results and search optimization. You can trust the results because we show you exactly how we got them. We're also a great SEO research tool.
ESE uses a beta version of Google Custom Search Engine to search over 23,000 economics websites and utilizes yolink to mine results and retrieve actionable, keyword-rich content. Results can saved to Google Docs, bookmarked or shared via major social networks. Each site is certified by RFE, which is run by economists from RePec Author Services and EDIRC."
Plexus Engine is an app and data platform that discovers emerging topical information. You can read more about it on CEO Marshall Kirkpatrick's personal blog.
"Instant RSS Search is a Google powered feed engine to help you discover RSS feeds around your favorite topics. Try one of these sample search queries:"
"AlphaSense is a revolutionary, award-winning search engine designed for financial professionals that helps you to instantly cut through the noise and uncover critical datapoints that others miss. AlphaSense enables you to deliver superior research and ideas in a fraction of the time."