JOURNALS AND REPOSITORIES:

• Academic Journals is a publishing house providing access to peer reviewed scientific research. 
• American Chemical Society AuthorChoice open access articles
• arXiv - informace
• Bentham Open - open access articles
• Bentham Science Pub. - free 2000-2002; over sixty-one biomedical and pharmaceutical journals and five book series
• BioMedCentral - publisher of more than 150 peer-reviewed open access journals
• British Medical Journals (BMJ) - original research articles - free, all other articles - 12 months embargo.
• Blackwell Synergy - provide free access to the recent back files already online after a different period of time.
• Cell Press - 1 year embargo
• CogPrints - an electronic archive for self-archive papers in any area of Psychology, neuroscience,  Linguistics,  Computer Science (e.g., artificial intelligence, robotics, vison, learning, speech, neural networks), Philosophy, Biology (e.g., ethology, behavioral ecology, sociobiology, behaviour genetics, evolutionary theory), Medicine (e.g., Psychiatry, Neurology, human genetics, Imaging), Anthropology (e.g., primatology, cognitive ethnology, archeology, paleontology), as well as any other portions of the physical, social and mathematical sciences that are pertinent to the study of cognition.
• Directory of Open Access Journals (DOAJ) - increase the visibility and ease of use of open access scientific and scholarly journals. 
• doiSerbia -  26 Serbian scientific journals
• ELIS - časopisy Slovenské akademie věd
• Elsevier Preprint Archive - computer science, chemistry, mathematics preprints - ended in 2004. Registration needed.
• Emerald - the Electronic Management Research Library Database; an expanding database offering over 58,000 articles on the subject of management
• E-print Network - a source for scientists and engineers to find, assimilate, and use scientific and technical e-prints in their fields of interest. 
• ePrints@IISc repository collects, preserves and disseminates in digital format the research output created by the IISc research community.
• European Agency for Safety and Health at Work - informační sítě BOZP Evropské unie jsou zaměřeny na problematiku bezpečnosti práce v EU
• EZB (Regensburg) - elektronická knihovna časopisů nabízí komfortní a snadný přístup z jednoho místa ke všem plnotextovým odborným elektronickým časopisům, které má daná knihovna dostupné v rámci různých předplatných nebo které jsou k dispozici volně na internetu
• Free Medical Journals - the Free Medical Journals Site was created to promote the free availability of full text medical journals on the Internet.
• HAL - french research repository with over 40.000 eprints.
• Hindawi Publ. Corporation announced 9 free online journals
• Highwire Press - hosts the largest repository of free full-text life science articles in the world, with 1,343,957 free, full-text articles from 267 journals

• Chemical Journals in China - more than 10,000 web sites or pages carefully selected by ChIN team were indexed in ChIN and are accessible both in Chinese and English
• Institut of Physics - IOP Select - a FREE service from IOP Journals comprising articles chosen by our Editors for their novelty, significance and potential impact on future research
• Institut of Physics - all papers are freely available for 30 days from the date of online publication:
• This Month's Papers-články podle dnů publikace
• This Month's Papers-články podle jednotlivých titutlů
• ISPUB - 77 electronic journals, 1921 published articles, 925 editors and reviewers, 3 541 links from other web sites
• Io-port.net - the informatics portal io-port.net offers fast and convenient access to about one million publications in informatics and related subject areas from all over the world.
• IREL-Open Project -  the collaborative workspace of the IREL-Open Project Working Group which is tasked with building a federated open access repository service for Ireland.
• Japan Science and Technology Information Aggregator, Electronic - publications list
• LivRe! - scientific journals with full or partial free access.  
• Maney Publishing - free 1999-2002
• Medical Image Database Repository - MIDR Database Wiki
• medIND - provides online access to full-text of Indian biomedical periodicals to the users in within and outside India.
• Medscape - to provide clinicians and other healthcare professionals with the most timely comprehensive and relevant clinical information to improve patient care; to make the clinician's task of information gathering simpler, more fruitful, and less time-consuming; and to provide physicians with the educational tools needed to stay current in their practice
• National Institutes of Health - NIH is the nation's medical research agency - making important medical discoveries that improve health and save lives
• NewsRx - free medical news and disease research newsletters  
• Medknow (Mumbai, India) is an open publishing firm that builds academic (mostly medical) journals, puts them online, and makes them accessible to all.
• Molecular Diversity Preservation International (MDPI) - free 9 online journals but for
• International Journal of Molecular Sciences,
• Molecules,
• Sensors,
• Marine Drugs,
• International Journal of Environmental Research and Public Health

• NTRS: NASA Technical Reports Server - informace
• OpenDOAR - The Directory of Open Access Repositories - the OpenDOAR service is being developed to support the rapidly emerging movement towards Open Access to research information. This will categorize and list the wide variety of Open Access research archives that have grown up around the world.
• Open J-Gate - directory indexes articles from 3000+ academic, research and industry journals. More than 1500 of them are peer-reviewed scholarly journals.
• Oxford Univerzity Press: Oxford Open - free content, mostly last 12 months embargo.
• Public Library of Science - PLoS is a nonprofit organization of scientists and physicians committed to making the world's scientific and medical literature a public resource.
• PubMed Central - is a digital archive of life sciences journal literature at the U.S.
• List of author manuscripts
• ROAR - Registery of Open Access Repositories.
• Royal Society: EXiS Open Chois - mostly last 12 months embargo
• Royal Society of Chemistry - free 1997-2002
• SciELO - The Scientific Electronic Library Online is an electronic library covering a selected collection of Brazilian scientific journals.
• ScientificCommons.org  - the major aim of the project of the University of St.Gallen (Switzerland) is to develop the world's largest communication medium for scientific knowledge products which is freely accessible to the public. Currently ScientificCommons.org has indexed about 13 million scientific publications and successfully extracted 6 million authors out of this data (January 2007).
• Trade Publications FREE

+

• Jednotlivé časopisy
• Volné zdroje (přes STM)

BOOKS:

• Willinsky's book The Access Principle: The Case for Open Access to Research and Scholarship. Registration is required.
• Chromatography books online - a series of online reference books on chromatography by Dr. RPW Scott.
• IUPAC:
• A Guide to IUPAC Nomenclature of Organic Compounds, Recommendations 1993 + Corrections,
• Organic Nomenclature Books,
• Organic Nomenclature Recommendations,
• IUPAC Nomenclature Books,
• Nomenclature Bibliographic Data,
• IUPAC Chemical Nomenclature,
• IUPAC Compendium of Chemical Terminology. - this online version of the IUPAC Compendium of Chemical Terminology mostly corresponds to the second edition (1997)
• National Academies Press: Chemistry Collection - read online free
• Organic Syntheses Online - a publication of reliable methods for the preparation of organic compounds
• Vydavatelství VŠCHT (ICT Press Prague) - online free publications    

Encyclopedias and dictionaries

• American Memory Historical Collection - digitální dokumentace amerických dějin. Jeho náplní jsou rukopisy, dopisy, deníky a poznámky, knihy rukopisné i tištěné, mluvené slovo, zvukové záznamy, pamflety, filmové materiály, fotografie, plakáty, mapy a hudebniny. Dokumenty a artefakty, jejichž digitální kopie jsou zde bezplatně vystaveny, pochází ze sbírek Kongresové knihovny (Library of Congress) a dalších amerických institucí.
• Answers.com - the ultimate answer engine, with quick accurate dictionary, thesaurus, encyclopedia
• Artcyclopedia - the guide to great art on the Internet
• Cambridge Dictionaries Online - informace
• Columbia Encyclopedia, Sixth Edition
• Definr - incredibly fast dictionary (explanatory dictionary)
• Encyclopedia Mythica - encyclopedia of mythology, folklore, and religion
• Encyklopedie volně prodejných léků (aktualizovaná verze 2006) - obsahuje všechny volně prodejné léky registrované v České republice.
• The Free Dictonary by Farlex - English, Medical, Legal, Financial, and Computer Dictionaries, Thesaurus, Acronyms, Encyclopedia, a Literature Reference Library, and a Search Engine-all in one!
• Laboratorní encyklopedie - nabízí stručné vysvětlení některých speciálních pojmů používaných v laboratorní praxi, analytické technice, chemii, fyzice a příbuzných přírodních vědách.
• MSN Encarta - encyclopedia, dictionary
• Scholarpedia, the free peer reviewed encyclopedia of
  • Computational Neuroscience
  • Dynamical Systems
  • Computational Intelligence
  • Astrophysics
  written by scholars from all around the world.
• TechEncyclopedia - more than 20 000 IT terms
• Velký lékařský slovník - výkladový slovník určený lékařům, farmaceutům a odborným pracovníkům působícím ve zdravotnictví a v biomedicínském výzkumu
• Whatis.com - IT encyclopedia and learning center
• Wikipedia - free encyclopedia
• The World Factbook, 2003-the U.S. government's complete geographical handbook    

DATABASES AND TOOLS: 

Free chemistry (and related) databases on the web from Indiana University: http://www.chembiogrid.org/related/resources/databases.html

• BIND - the Biomolecular Interaction Network Database is a collection of records documenting molecular interactions.
• Chemcyclopedia
• ChemFinder - has been providing free chemical searching to hundreds of thousands of scientists since 1995; this free database includes Chemical Structures, Physical Properties, Hyperlinks
• ChemIDplus - provides access to structure and nomenclature information for the identification of chemical substances cited in NLM databases. The database contains over 379,000 chemical records, of which over 257,000 include chemical structures. ChemIDplus Lite is available for Name and RN searching without the need for plugins or applets.
• CrystalEye - the aim of the CrystalEye project is to aggregate crystallography from web resources, and to provide methods to easily browse, search, and to keep up to date with the latest published information.
• Dermis.net - free database of the comprehensive online dermatology information.

• DOC Cop  is a free plagiarism detection tool that creates reports displaying the correlation and matches between documents or a document and the web.
• Eigenfactor.org is a non-commercial academic research project sponsored by the Bergstrom lab in the Department of Biology at the University of Washington. They aim to develop novel methods for evaluating the influence of scholarly periodicals and for mapping the structure of academic research - about.
• Kyoto Encyclopedia of Genes and Genomes (KEGG) - The primary objective of KEGG is to computerize the current knowledge of molecular interactions; namely, metabolic pathways, regulatory pathways, and molecular assemblies. At the same time, KEGG maintains gene catalogs for all the organisms that have been sequenced and links each gene product to a component on the pathway. KEGG also organizes a database of all chemical compounds in living cells and links each compound to a pathway component.
• MatWeb - searchable database of material data sheets, including property information on thermoplastic and thermoset polymers; MatWeb is freely available and does not require registration
• NIST Chemistry WebBook - the NIST (National Institute of Standards and Technology) site provides chemical and physical property data on over 40000 compounds.

• NIST Data Gateway - provides easy access to many (currently over 80) of the NIST scientific and technical databases.
• Nucleic Acid Database - A variety of structural databases on nucleic acids, developed by the Nucleic Acid Database Project at Rutgers University.
• Příklady z fyzikální chemie online - pomůcka vedoucí k usnadnění aplikace teoretických vztahů při řešení praktických problémů.
• PubChem - free database of chemical structures of small organic molecules and information on their biological activities.
• The Sci-Mate (Scientific Material Transfer Exchange) is an open collaboration tool aiming to help researchers benefit from the rapid assembly and uptake of their ideas and technology. The site uses Web 2.0 software to assist researchers publish and development their ideas in an open access environment. It includes two main tools:The Wiki-Mate uses wiki technology to make collaborative writing easy, but then adds a range of special features to help scientist prepare information for publication.
• Material Transfer Exchange software empowers researchers to distribute any item of interest to other researchers and developers.
• TOXNET - databases on toxicology, hazardous chemicals, environmental health, and toxic releases.

VIDEOS: 

• IUPAC InChI
• The Semantic Chemical Web: GoogleInChI and other Mashups

• JoVE - The Journal of Visualized Experiments was established as a new, open access tool in life science publication and communication. We utilize a video-based approach to scientific publishing to fully capture all dimensions of life science research.

• SciVee -  an aggregator of science movies. SciVee was built in partnership with The Public Library of Science (PLoS), The National Science Foundation (NSF) and The San Diego Supercomputer Center (SDSC). SciVee allows only the upload of movies associated with papers published in Open Access Journals.