Search Engines

Open Access Button - Searching thousands of repositories for access

Free, legal research articles and data delivered instantly or automatically requested from authors.
How it works
1- Finding Available Research: Give us a scholarly paper and we’ll search thousands of sources with millions of articles to link you to free, legal, full text articles instantly.
2- Requesting Research: If we can’t get you access, we’ll start a request for you. We request articles from authors, and guide them on making the work available to you and everyone who needs it.

Sci-Hub - Tens of Millions of Research Papers - Free Fulltext

ساي هب (بالإنجليزية: Sci-Hub) هو موقع الكتروني يوفر أكثر من 58,000,000 ورقة ومقالة أكاديمية علمية محكمة لاشهر قواعد البيانات الالكترونية (Sciencedirect, Springer,Wiley, Emerald..etc) ، متاحة عبر موقع الويب بشكل مجاني. تضاف الأوراق البحثية الجديدة يوميًّا.
The first website in the world to provide mass and public access to tens of millions of research papers, the site aims to remove any barrier which impeding the widest possible distribution of knowledge in human society.  The website provides more than 58,000,000 articles.
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updated:24-4-2018

Genamics JournalSeek محرك بحث المجلات

Genamics JournalSeek

 
 

Genamics JournalSeek is the largest completely categorized database of freely available journal information available on the internet. The database presently contains 100745 titles. Journal information includes the description (aims and scope), journal abbreviation, journal homepage link, subject category and ISSN. Searching this information allows the rapid identification of potential journals to publish your research in, as well as allow you to find new journals of interest to your field.

teoma محرك بحث

This site will function very useful for the user, there is no site offers the user search results for the information they want, but also the function of advanced which he was doing a check of these results and then provide some suggestions for you to purify and refine these results and to avoid sites that may not be related to the topic that you wantand focus on the important sites that contain information that you want