German Research Foundation
The DFG is the self-governing organisation for science and research in Germany that brings together higher education institutions and research organisations.
The DFG funds research in all disciplines using a bottom-up approach. That means any researcher can submit an application without any subject restrictions.
DFG programmes offer a wide range of opportunities. International collaborations are possible and desired in all DFG funding programmes.
Additionally, the DFG provides funds for coordination work and travel. Specific programmes focus on international cooperation. They do not only involve international research training groups, but also DFG support for the European
More information about DFG fundings for PHD students and researchers, please visit at http://www.research-in-germany.org/en/research-funding/funding-organisations/german-research-foundation-dfg.html
and also this website http://www.dfg.de/en/