Open Access Initiatives

Open Access Books http://www.doabooks.org/

Open Access Journals http://www.doaj.org/

Research Publish Journals http://www.researchpublish.com is a worldwide open access peer reviewed online International Journal publishing Organisation

Open Access Repositories http://www.opendoar.org/

Registry of Open Access Repositories http://roar.eprints.org/

Open Access Journals Search Engine (OAJSE) http://www.oajse.com

Open Access Theses and Dissertations http://oatd.org/

Open Access Research http://opendepot.org/ 

Open Access Research Database (OARD) http://ijsrp.org/oard/index.php?P=Home

F-Droid Repository https://f-droid.org/ 
(Easily-installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform)

Open Access on Twitter

DOAJ @DOAJplus

creativecommons @creativecommons

Open Access on Twitter – India

Open Access India @OpenAccessIndia