The European Commission published Horizon 2020 draft work programmes just before the official adoption process of the work programme to provide potential participants with the currently expected main lines of the work programmes 2014-2015.
The Horizon 2020 work programmes are formal documents of the European Commission that set out research objectives and topics of a specific thematic programme that you can submit an application for. They also include time frames for submission of proposals (deadlines), indicative budget and funding limits, evaluation procedure etc.
Please note that until the final adoption of Horizon 2020 and official publication of the first Horizon 2020 Calls, the content of the work programmes may still be subject to change.
Information on open and upcoming calls can be found on the Euresearch Website as well.