The Europa website contains a ‘summaries of EU legislation’ overview. Each policy area contains information on legislation and links to relevant documents: http://europa.eu/legislation_summaries/index_en.htm
The website of the European Commission contains links to the Directorates General responsible for each policy area:
The Euractiv web portal is an independent website providing coverage of EU activities. Its policy pages contain news, in-depth analyses and policy briefings.
The Europa website provides an overview of the EU’s institutional affairs and contains detailed background information on treaties and policy making processes.
For more on specific policy areas:
Employment, Social Affairs, and Inclusion: https://ec.europa.eu/info/policies/employment-and-social-affairs_en
Regional Policy (including Cohesion): https://ec.europa.eu/regional_policy/index.cfm/en/
Research and Innovation: https://ec.europa.eu/info/strategy/research-and-innovation_en