CCDB is a web accessible database for high resolution 2D, 3D and 4D data from light and electron microscopy, including correlated imaging. The goal of the CCDB project is to make unique and valuable datasets available to the scientific community for visualization, reuse and reanalysis. Data in the CCDB can be accessed by performing a Search or by browsing through our Gallery. Data in the CCDB may be downloaded freely and reused for non-profit use within the terms of our usage agreement. Registration not required.