OneupUploaderBundle

This Symfony bundle provides a server implementation for handling single and multiple file uploads using either FineUploader, jQuery File Uploader, YUI3 Uploader, Uploadify, FancyUpload, MooUpload, Plupload or Dropzone. Features include chunked uploads, orphanages, Gaufrette and Flysystem support. Maintained by 1up-lab on GitHub, where it has earned 606 stars from the community.

It's actively developed around chunked-uploads, dropzone, fineuploader, and is a solid reference for anyone building with these tools.