International Federation of Medical Students Associations (IFMSA)
http://www.ifmsa.org/

European Medical Students' Association - a non-governmental non-profit organisation for medical students focusing on medical education
http://www.emsa-europe.org/

International Association of Dental Students
http://www.iads-web.org/contents/about/index.asp

European Dental Students Association
http://www.edsa.globaldent.com/

International Pharmaceutical Students’ Federation
http://www.ipsf.org/website/html/Main/main.html

Bulgarian Lifеscience Portal (Портал за химия, фармация, биотехнологии)
Порталът цели информационно обслужване на всички свързани с химията, фармацията, биологията и медицината. Идеята е да създава многостранна връзка между образование, наука, бизнес и държава.
http://www.chem-bg.com/

ДЕМОКРИТ: Информационен център за новини и ресурси в българската наука
http://www.democrit.com/

БГ Наука - списание (възможност за свободно сваляне на материали)
http://bgnauka.com/index.php

Знам.bg -Българският портал на знанието
http://www.znam.bg/com/action/goToHomePage

European Information Network - Ethics in Medicine and Biotechnology EURETH.NET - Европейски портал с българско участие.
http://www.eureth.net/

Българския център по биоетика - защита на правата на пациента и интересите на хора и животни, обект на медицински и фарма-цевтични изследвания, повишаване на качеството и етичността на здравеопазването, дискусии по въпроси на биоетиката, синхрони-зиране на националното законодателство с най-високите между-народни етични норми и стандарти.
http://www.bio-ethics.net/index.htm

Сmamucmuka - дефиниции, основни принципи, методи, литература и друга полезна статистическа информация.
http://www.cmamucmuka.hit.bg/

Родово наследство - портал за българска история, археология, етнография, език и много други интересни неща.
http://bgrod.org/

Medishared.Net - Support & Share Free Medical Knowledge & Documents & Datas
http://www.medishared.net/mediforum/

WinkingSkull.com - online study aid featuring stunning illustrations from Atlas of Anatomy. The free version of this website gives you access to 246 stunning images.
http://www.winkingskull.com/about_pro.aspx

Элементы - популярной сайт о фундаментальной науке. Новости науки. календар конференций. (На руски език)
http://elementy.ru/index.html

BBC News Science/Nature
http://news.bbc.co.uk/2/hi/science/nature/default.stm

Science.gov - is a gateway to over 50 million pages of authoritative selected science information provided by U.S. government agencies, including research and development results.
http://www.science.gov/

Science Portal - Australia - Science.gov.au - Delivering science information and services to industry, investors and the research and education communities.
http://www.science.gov.au/Pages/Home.aspx

Folden.info Science Portals - Portals, Academies, Economy, History, Mythology, Fauna Flora, Biotech, Chemistry, Geo, Space, Computing, Mathematics.
http://www.folden.info/scienceportals.shtml

IEFA - International Financial Aid and College Scholarship Search
http://www.iefa.org/

Education World
http://www.education-world.com/index.shtml

E-ContinuingEducation.com
http://www.continuingeducation.com/

CORDIS: Community Research & Development Information Service - EU

CORDIS: European Union Research Funding
http://cordis.europa.eu/en/sitemap.htm#eu-research

European Science Foundation - The European Science Foundation promotes high quality science at a European level. It acts as a catalyst for the development of science by bringing together leading scientists and funding agencies to debate, plan and implement pan-European initiatives.
http://www.esf.org/

Deutscher Akademischer Austauschdienst (DAAD)  German Academic Exchange Service - promotes cooperative international academic and  scientific exchange for students and faculty. Provides information, grants and fellowships for  research and study in Germany
http://www.daad.de/

IIE Online - Institute of International Education - IIE, an independent non-profit organization founded in 1919, is a world leader in the exchange of people and ideas. The Institute administers over 200 programs (including the Fulbright program) serving more than 20,000 individuals each year.
http://www.iie.org/

WWF - Bulgaria - Environmental Conservation Work in Bulgaria
http://www.panda.org/bg/index.cfm

Кампания "За да остане природа в България" - in Bulgarian
http://www.bluelink.net/zaprirodata/

Сдружение "На Ти с Природата" - in Bulgarian - Доброволческа организация за защита и хуманно отношение към животните -
http://www.iwns.org

International Fund for Animal Welfare - A better World for Animal and People! IFAW's mission is to improve the welfare of wild and domestic animals throughout the world by reducing commercial exploitation, protecting wildlife habitats.
http://www.ifaw.org/

Care2.com - the global network of organizations and people who care 2 make difference. Green living, health, human rights and more...
http://www.care2.com/