The tools in the "Security Unknown" folder are collected by the network, and the security is unknown. For safety reasons, please run in the sandbox or virtual machine .
Please judge the security of the website, data and tools, and are not responsible.
The source of some software and data is unknown, so it is not marked, and it will be deleted if you mind.
Because the information is timeliness, the following information is for reference only, and the rankings are not separated.
China Zhizhi.com
http://www.cnki.net/
Wanfang database
http://librarian.wanfangdata.com.cn/
National Intellectual Property Office of the People's Republic of China
http://www.sipo.gov.cn/
National Philosophy and Social Science Literature Center
http://www.ncpssd.org/
China Science and Technology Paper Online Boutique Paper
http://highlights.paper.edu.cn/
National Library Collection Chinese Book Digital Resource Library
http://mylib.nlc.cn/web/guest/zhongwentushu
National Science and Technology Book Literature Center
http://www.nstl.gov.cn/
National Philosophy and Social Science Academic Journal Database
http://www.nsd.org/articleS/articleSearch.aspx
China National Bureau of Statistics-National Data
http: /data.stats.gov.cn/index.htm
Vipp Chinese Journal Service Platform
http://data.whlib.ac.cn/
Eric Education Resources Information Center
http://www.eric.ed.gov/
Socola
http://www.socolar.com/
European Degrees Patriotic Library
http://www.dart-europe.eu/basic- search.php
Blackwell Electronic Journal
http://www.blackwell-synergy.com/
Open access resource library
http://www.oalib.com
Highwire Publishing House Electronic Journal
http://highwire.stanford.edu/lists/freeart.dtl
Cambridge University Institutional Knowledge Base
http://www.dspace.cam.ac.uk/
Aminer
http://www.aminer.cn/
Scientific Research Press OA Resources
http://www.scirp.org/journal/
World Digital Library
http://www.wdl.org/zh/
Turnitin
scihub
https://sci- hub.se/
https://sci- hub.ru/
Crossref This database contains more than 120 million records and APIs, which can be downloaded through TORRENTS
https://www.crossref.org/
General Index This database can index to 107 million academic papers
https://archive.org/details/GeneralInDex
OpenCitations Corpus
https://opeencitations.net/corpus
Scopus
Not free
IDATA (free Zhizhi.com)
https://www.cn-ki.net/
National Philosophy and Social Science Literature Center
http://www.ncpssd.org/
Graduation thesis resource navigation
http://by.360xueke.com/