CKFinder is an Ajax File Manager that seamlessly integrates with CKEditor. It makes it easy to securely include files and images to content created with the editor. More information can be found on the CKFinder page.
There is no Open Source version CKFinder.
Please refer to the following guides for instructions on how to customize CKFinder.
Visit the CKFinder guides and select the appropriate CKEditor Integration link.
Cross-domain file management between CKEditor and CKFinder is impossible.
Use the tech support email and Support Token provided after purchasing a license. Visit the CKFinder main page for more information.