Academic search engines

parameter

[1195]closed Academic Index
[1527]closed AltaVista Education Search
[1001]active AMiner MINING DEEP KNOWLEDGE FROM SCIENTIFIC NETWORKS
[1002]closed Arnetminer **
[140]active BASE Bielefeld Academic Search Engine
[1350]closed Bing China Academic
[80]closed Bioinformatic Harvester
[1395]active Carrot2 PubMed Search
[1482]active Choosito
[652]closed CiteSeer
[1348]active CiteSeerX
[622]closed CNIDR K12 Web Search Page
[1018]active Dimensions
[950]active GeNemo
[284]active Google Scholar Stand on the shoulders of giants
[1481]active instaGrok
[1375]active Intellus Search
[1252]closed Intute Harvester
[145]closed ipl The Internet Public Library
[146]closed ipl2 Information You Can Trust
[605]active iSEEK Education
[996]closed Libra
[148]closed Librarians' Internet Index
[1291]closed MathSearch
[149]closed MERLOT Multimedia Educational Resource for Learning and Online Teaching
[823]active MetaGer Wissenschaft [Academic Search]
[824]closed MetaGer-QIP Suchmaschine für Quanteninformationsverarbeitung
[993]active Microsoft Academic
[992]closed Microsoft Academic Search
[925]closed Odysci.com
[926]closed PandaSearch
[151]closed RefSeek
[1349]active ScanR Moteur de la recherche et de l'innovation
[475]closed Science-Search.org
[1351]active Science.gov
[1003]active ScienceResearch.com
[152]closed Scirus for scientific information only
[1484]closed Scitopia.org
[623]closed Search.ed.gov
[1012]active searx [Science Search]
[709]active Semantic Scholar
[1013]closed SMEALSearch **
[350]closed StudyWeb
[1367]closed Thalia [NOTE: The site is still available, but does not offer any results anymore, August 2019]
[775]closed TurboScout [Reference Search]
[1479]active Ultimate Research Assistant
[1123]closed Unbubble.eu Science
[1480]active Virtual LRC InfoBot
[995]closed Windows Live Academic
[1352]active WorldWideScience.org
[1272]closed Yuntis