BibSonomy Buttons Plugin
Orcid and Academia, researchgate later, this is the most important tool for researchers, as is Google Scholar (I cannot post there as I do not have a university backed research) ArXiv lurks for all of us in the light.
https://k2audio.mk.ua/w/%D1%82%D0%B0%D0%BA%D1%81%D0%B8-%D0%BE%D0%B4%D0%B5%D1%81%D1%81%D0%B0-%D0%BA%D0%B8%D0%B5%D0%B2/
this addon good but is restected other contry دارالترجمه پارسیس
https://www.addtoany.com/
JabRef
http://lazyscholar.org/
http://majestic.com/
Eric Trösch
https://diigo.com
https://igorware.com
Automatic Backlink Checker
https://tagpacker.com/
https://pingler.com
http://www.linkresearchtools.com/
https://www.dropmark.com/
