Free Open Educational Resources

A) Patent Search Databases

Lens

https://www.lens.org

Espacenet

https://worldwide.espacenet.com/

Google

https://patents.google.com/

Indian Patent Search

http://ipindiaservices.gov.in/publicsearch/

US Patent and Trademark Office

http://patft.uspto.gov/

B) Citation Databases

Dimensions

https://www.dimensions.ai/

PubMed

https://pubmed.ncbi.nlm.nih.gov/

Crossref

https://www.crossref.org/

Google Scholar

https://scholar.google.com/

C) Retracted Articles Database

Retraction Watch Database

http://retractiondatabase.org/RetractionSearch.aspx

Bibliographic Databases

Emerald Insight

https://www.emerald.com/insight/

LOADB ( List of OA Database)

http://www.loadb.org/Control.do?_brse

  Open Index Initiative

http://oii.igidr.ac.in/

Science Direct

https://www.sciencedirect.com/

Learn Engg (Infoplus Technologies)-Polytechnic and Engineering Subject

https://neat.aicte-india.org/course

EBox (Amphisoft Technologies)-Employability Skills

https://neat.aicte-india.org

Talent Rank (Amphisoft Technologies)-Assessment and certification

https://neat.aicte-india.org/

English Bolo (English Helper)-English Language

https://neat.aicte-india.org/

Career Path Navigator (PerfecticeEduventurePvt Ltd)-Training Recommendation and Intervention

https://neat.aicte-india.org/

Job Readiness (PerfecticeEduventurePvt Ltd)- Company Specific Mock and Preparation

https://neat.aicte-india.org/

Codetantra- Learn Coding Online

a) Hadoop: https://neat.aicte-india.org/course-details/NEAT2019183_PROD_1

b) Python: https://neat.aicte-india.org/course-details/NEAT2019183_PROD_2

c) Java: https://neat.aicte-india.org/course-details/NEAT2019183_PROD_3

d) C: https://neat.aicte-india.org/course-details/NEAT2019183_PROD_4

e) Data Structure: https://neat.aicte-india.org/course-details/NEAT2019183_PROD_5

f) C++: https://neat.aicte-india.org/course-details/NEAT2019183_PROD_6

g) Selenium 2.0:https://neat.aicte-india.org/course-details/NEAT2019183_PROD_7

re3data.org – Registry of Research Data Repositories

https://www.re3data.org/

Open Access Directory (OAD)

http://oad.simmons.edu/oadwiki/Main_Page

CORE -The world’s largest collection of open access research papers

https://core.ac.uk/

Open DOAR

http://v2.sherpa.ac.uk/opendoar/

Dryad

https://datadryad.org/stash

The Registry of Open Access Repository Mandates and Policies (ROARMAP)

https://roarmap.eprints.org/

eScholarship ( University of California)

https://escholarship.org/

Open Knowledge Repository (World Bank)

https://openknowledge.worldbank.org/

Figshare

https://figshare.com/

Registry of Open Access Repositories

http://roar.eprints.org/

Science Related Preprint Repositories

arXiv

https://arxiv.org/

bioRxiv – The Preprint Server for Biology

https://www.biorxiv.org/

TechRxiv -Preprints in Technology Research

https://www.techrxiv.org/

medRxiv –The Preprint Server for Health Sciences

https://www.medrxiv.org/

chemRxiv –The Preprint Server for Chemistry

https://chemrxiv.org/

Multidisciplinary Preprint Repositories

Research Square

https://www.researchsquare.com/

CogPrints

http://cogprints.org/

OSF PrePrints

https://osf.io/preprints/

Authorea

https://www.authorea.com/

PrePrints

https://www.preprints.org/