Software development kit which provides an effective approach for creating software patches and updates, and integrating of the patch applying and/or building process directly into you own software product(s). Using DF SDK you can effectively accomplish the following tasks: Efficient Software updating/patching; Space-saving Differential data backup; Reliable Version control for files of any type and size.

Full-featured byte-level patching system for bandwidth-efficient software updating. PatchFactory provides a flexible, reliable and effective method to create software updates for your software applications, ensuring that your customers always have the latest version. The patch building engine is an innovative standard for producing version-to-version and cumulative software updates contained in a small, reliable self-installing patch package.