• ABC Chemistry - free chemical information - The Directory lists the fully and partly free journals that comply with the following criteria:
• publisher's grading of a journal as peer-reviewed;
• one-year, at least, free full-text content, or extensive free supplements to printed versions of papers;
• chemistry or chemistry-related subject coverage;
• English language of articles (journals in Russian are also listed on a separate page).
• 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.
• Wiley-Blackwell journals - provide free access to the recent back files already online after a different period of time.
• Cell Press - 1 year embargo
• De Gruyter Open - (formerly Versita) is one of the world’s leading publishers of open access scientific content. Today De Gruyter Open (DGO) publishes about 400 own and third-party scholarly journals across all major disciplines.
• 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 Open Access Journals - fully open access journals.
  
• Elsevier - Open Archives -  open access to archived material in 97 Elsevier journals. Embargo cca 12-18 months.
  
• 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  - Hindawi publishes more than 200 Open Access journals covering a wide range of academic disciplines. All articles published in Hindawi journals are open access and distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.  
• 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
• 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 jednotlivých titutlů
• InTech - Open Access publisher of books and journals covering the fields of Science, Technology and Medicine.

• IOPScience (IOP Publishing)
• 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.
• ISPUB- 77 electronic journals, 1921 published articles, 925 editors and reviewers, 3 541 links from other web sites
• Japan Science and Technology Information Aggregator, Electronic - publications list
• LivRe!- scientific journals with full or partial free access.
• 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. Registration needed.
• 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

• National Institutes of Health - NIH is the nation's medical research agency - making important medical discoveries that improve health and save lives.
• National Institute of Science Communication and Information Resources (NISCAIR), New Delhi -  open access repository.
• Nature Precedings (NPG) - pre-publication research and preliminary findings
• NewsRx- free medical news and disease research newsletters
• 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.
• Oxford Univerzity Press: Oxford Open - free content, mostly last 12 months embargo.
• PLoS - Public Library of Science 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.
• PMC Journal list
• List of author manuscripts
• ROAR - Registry of Open Access Repositories.
• Royal Society: EXiS Open Chois - mostly last 12 months embargo
• SciELO - The Scientific Electronic Library Online is an electronic library covering a selected collection of Brazilian scientific journals.
• SCIRP - Scientific Research Publishing is one of the largest Open Access journal publishers. It is currently publishing more than 200 open access, online, peer-reviewed journals covering a wide range of academic disciplines.
• ZORA - 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
• Wiley-Blackwell Online Open

Zahraniční (foreign):

• Acta Bio Medica (Mattioli 1885)
• Aging Cell, ISSN 1474-9726 (Wiley)
• ARKIVOC - Archive for Organic Chemistry, ISSN 1424-6376 (Arkat USA)
• Asia-Pacific Journal of Clinical Oncology (Wiley)
• Biological and Pharmaceutical Bulletin (The Pharmaceutical Society of Japan) - only current year
• Brazilian Journal of Medical and Biological Research (Associaçao Brasileira de Divulgaçao Científica)
• British Journal of Clinical Pharmacology, ISSN 1365-2125 (Wiley) - last 24 months embargo  
• Bulletin of the Chemical Society of Japan, ISSN 1348-0634 (Chemical Society of Japan)
• Bulletin du Groupement Ampere (Ampere Group)
• Cellular Microbiology Online, ISSN 1462-5814 (Wiley) - last 24 months embargo
• Congenital Cardiology Today (Congenital Cardiology Today)
• CORDIS Express (CORDIS)
• Computerworld (Computerworld)
• Contact Lens Spectrum, ISSN 0885-9175 (PentaVision)
• Chem & Bio News (CambridgeSoft)
• Chemical and Pharmaceutical  Bulletin (The Pharmaceutical Society of Japan) - only current year
• Chemical Science (Royal Society of Chemistry)
• Chemistry Education Research and Practice (CERP)   (Royal Society of Chemistry)
• Chemistry International (IUPAC / De Gruyter)
• Chinese Chemical Letters (Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College)
• e-Polymers (European Polymer Federation)
• Indian Journal of Chemistry -Section A (IJC-A), ISSN 0975-0975, (NISCAIR)
• Indian Journal of Chemistry -Section B (IJC-B), ISSN 0975-0983, (NISCAIR)
• Journal of Applied Clinical Medical Physics (American College of Medical Physics)
• The Journal of Biological Chemistry (American Society for Biochemistry and Biology) - last 12 months embargo
• Journal of Optoelectronics and Advanced Materials, ISSN 1454 - 4164, (National Institute of Research & Development for Optoelectronics)
• Journal of Physical and Chemical Reference Data (American Institute of Physics)
• Journal of Physics: Conference Series (Institute of Physics)
• Journal of Research of NIST (National Institute of Standards Technology)
• Korean Chemical Society - publications (Korean Chemical Society)
• Material Matters (Sigma Adrich), ISSN 1933-9631
  
• Molecular Medicine (The Feinstein Institute for Medical Research)
• Nanomaterials: Applications and Properties (The Sumy State University)
• New England Journal of Medicine (Massachusetts Medical Society) - last 6 months embargo, registration is required
• New Journal of Physics (Institute of Physics)
• Nucleic Acids Research, ISSN 1362-4962 (Oxford Journals)
• PC Magazine (Ziff Davis Media)
• Polimery w medycynie, ISSN 0370-074X (Akademia medzcyna Wroclaw) - free 2004 -
• Protein Science (Protein Society / Highwire Press) - last 12 months embargo
• Pure and Applied Chemistry (IUPAC) - last 2 years embargo
• Revue Roumaine de Chimie (Editura Academiei Romane) - only current year
• Traffic, ISSN 1600-0854 (Wiley) - last 24 months embargo
• Trends in Glycoscience and Glycotechnology (FCCA-Forum: Carbohydrates Coming of Age) - last one year embargo

České (Czech):

• Akademický bulletin (AV ČR)
• Aldebaran Bulletin, ISSN 1214-1674 (AGA & Štefánikova hvězdárna v Praze) - týdeník věnovaný aktualitám a novinkám z fyziky a astronomie
• Bulletin české společnosti chemické (Česká společnost chemická)
• Chemické listy, (Česká společnost chemická)
• CHIP (Vogel Burda Communications)
• ECHO (Technologické centrum AV ČR) - informace o evropském výzkumu, vývoji a inovacích a rámcových programech.
• ERGO (Technologické centrum AV ČR) - časopis je zaměřen na analýzy a trendy výzkumu, technologií a inovací.
• Listy cukrovarnické a řepařské (VUC Praha)
  
• Materials Structure in Chemistry, Biology,Physics and Technology, ISSN 1211-5894 (CSCA-Krystalografická společnost) - free vol.5(1998)1 -
• Physiological Research, ISSN 0862-8408 (Fyziologický ústav AV ČR)
• Sbírka zákonů ČR (MV ČR) - vyhledávání
• Věstník SÚKL (Státní ústav pro kontrolu léčiv)   
• Zpravodaj Československého sdružení uživatelů TeXu (Čs. sdružení uživatelů TeXu)

Dokumenty o Ottovi Wichterlem:

• František Rypáček: Otto Wichterle: 100 let od narození - Chemické listy
• Jiří Michálek: Vzpomínky na prof. Ing. Otto Wichterleho, DrSc.  - Chemické listy
• Riikka Nisonen-Trnka: Science with a Human Face: the Activity of the Czechoslovak Scientists Franti ek orm and Otto Wichterle during the Cold War - dizertace
• Daniela Štádlerová: Otto Wichterle a jeho přínos světu - diplomová práce
• Tereza Obrusníková: OTTO WICHTERLE – osobnost a jeho patenty - bakalářská práce
• Rozhovor: Otto Wichterle v archivních dokumentech - Zpravodaj Masarykova ústavu a Archivu AV, str. 16
  
  

Books

• Bookshelf (NCBI) - free online access to books and documents in life science and healthcare.
• Directory of Open Access Books (DOAB) - is a discovery service for Open Access monographs. DOAB provides a searchable index to peer-reviewed monographs and edited volumes published under an Open Access business model, with links to the full texts of the publications at the publisher’s website or repository.
• Chromatography books online - a series of online reference books on chromatography by Dr. RPW Scott.
• International critical tables of numerical data, physics, chemistry and Technology (1933)
  
• 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
• Magnetic Resonance Online Texts: a List & Repository of free, online MR Books, Theses, and Courses:
• Regular BOOKS - about NMR, MRI and Related topics
• Doctoral and Master THESES - about/using NMR, ESR, MRI and Related topics
• Materials for COURSES - about NMR and MRI topics
• CONFERENCE - proceedings and/or books of abstracts
• Masarykova Univerzita - Elektronické výukové publikace - najdete zde odborné texty z  jednotlivých fakult i např. Metodiku tvorby bibliografických citací
• Organic Syntheses Online - a publication of reliable methods for the preparation of organic compounds  

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.
• Artcyclopedia- the guide to great art on the Internet
• Cambridge Dictionaries Online - informace
• Definr - incredibly fast dictionary (explanatory dictionary)
• 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.
• Scholarpedia,the free peer reviewed encyclopedia of
  • Dynamical Systems
  • Computational Intelligence
  • Astrophysics
  written by scholars from all around the world.
• Velký lékařský slovník - výkladový slovník určený lékařům, farmaceutům a odborným pracovníkům působícím ve zdravotnictví a v biomedicínském výzkumu
• Vícejazyčný slovník
  
• Whatis.com - IT encyclopedia and learning center
• Wikipedia - free encyclopedia

Free fulltext links

• E-books Directory - Science
• Programmingebooks.tk. This blog offers links to programming books. It is organized by categories or you can use the search tool to look for something specific.

Mimo obor

• CZ.NIC- edice odborných a populárních publikací o internetu a jeho technologiích vydávaná sdružením CZ.NIC. Knihy jsou ke stažení zdarma ve formátech PDF, ePUB, MOBI.
• GEOBIBLINE - the 20th and 21st century geographical bibliography of Czechia. The databases will include various geographical documents written by Czech authors and also by foreign authors in those cases they are dealing with geographical issues of Czechia. The aim is to develop a geographic bibliography for virtual research environment and for the cooperation of geographic libraries.
• Internetová jazyková příručka - webový server vzniklý v rámci projektu Jazyková poradna na internetu. Na jeho realizaci se podíleli pracovníci Ústavu pro jazyk český AV ČR a Fakulty informatiky Masarykovy univerzity. 
• LoudLit.org is delivering public domain literature paired with high quality audio performances -
• The Online Books Page (University of Pennsylvania) -
• Open Library - an open, editable library catalog, building towards a web page for every book ever published. Free e-books, e-books to borrow.
• The Perseus Digital Library - řecké a latinské digitalizované texty propojené s interaktivními slovníky
• Project Gutenberg is the first and largest single collection of free electronic books.
• Questia Online Library poskytuje nonstop přístup do největší světové on-line sbírky knih a časopiseckých článků humanitních a sociálních věd, včetně magazinů a novinových článků.

Free audiobooks

• http://www.audioknihy.net/stahujte/

• CASSI Search Tool (CAS) - online resource intended to support researchers and librarians who need accurate bibliographic information. Use this complimentary tool to quickly identify or confirm journal titles and abbreviations for publications indexed by CAS since 1907, including serial and non-serial scientific and technical publications.
• 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.
• ChemSpider (RSC) - free chemical structure database providing fast text and structure search access to over 58 million structures from hundreds of data sources.
• 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.

• EBSCO free databases
• 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.
• LIVIVO- the interdisciplinary search portal for life sciences (medicine, health, nutrition, environmental and agricultural sciences), is provided by ZB MED Information Centre for Life Sciences.
• 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.
• TOXNET- databases on toxicology, hazardous chemicals, environmental health, and toxic releases.