PatchFactory Cost: $345 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions PatchFactory: Full-featured byte-level patching system for bandwidth-efficient software updating. PatchFactory provides a robust feature set that gives the ability to tailor the update process to their specific needs and to reduce end-user support costs. The patch building engine is an innovative standard for producing version-to-version or cumulative software updates even for Gigabyte-sized files contained in a small, reliable self-installing patch package.