When information is needed on the European Union (EU), European Economic Area (EEA) and European Free Trade Association (EFTA) a good place to start is at EUi.
Here you will find the official websites of EU, EEA and EFTA as well as search engines and databases pertaining to European affairs.
The main databases and search engines:
EU/EFTA/EEA
Below is a list of websites which contain links to institutions and issues pertaining to agreements of the EU, EFTA, and EEA. Note that this is not an exhaustive list. Links to EU databases can be found under EU Databases.
EU Websites
EUROPA Official Website of the European Union
Information Services
Brexit
Other Websites on the European Union - EU
Archive of European Integration (AEI), various older EU documents in electronic form
EurActive.com, information site on EU policy issues with links to EU documents
European Economic Area - EEA
European Free Trade Association - EFTA
Icelandic EU / EFTA / EEA Websites
EEA site on the Web site of the Ministry for Foreign Affairs
Below are links to databases of the European Union. EUR-Lex is the portal to European Union Law. All EU databases are free of charge and provide open access.
ARCHISplus - Database of the Historical Archives
CORDIS - Research & Innovation development activities
CURIA - Case Law
EUR-Lex - Access to European Union Law
EUROVOC - Multilingual thesaurus covering the fields in which the EU is active
OEIL - The Legislative Observatory at the European Parliament
N-Lex - The common access portal for national law
PRELEX - Commission database on inter-institutional procedures of legislative procedures
RAPID - Press Releases of the Commission
SCADPLUS - Summaries of legislation
TED - Procurement and tenders
Official legislation such as; treaties, acts, and judgments of the European Court of Justice and the Court of First Instance can be found in EUR-Lex. It also contains the Official Journal of the EU, legal proposals, enquirers made in the European Court, and other documents of legal significance, such as green papers and white papers.
General
Opinions and reports
Case law
Proposals
Final acts
Consolidated texts
Treaties
The agreements which form the basis of the EU.