Full-featured byte-level patching system for reliable software updating. Innovative and reliable software update technologies.
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Patch Factory - Create compact patch packages for reliable software updating

Patch Factory - Comprehensive solution for creating secure full-history compact multilingual software update and patch modules
Full-featured byte-level patching system for bandwidth-efficient software updating with a robust feature set that gives software developers the ability to tailor the update process to their specific needs and to significantly reduce end-user support costs. PatchFactory provides software developers with a comprehensive solution for creating reliable full-history multilingual software update modules in a famous installer style, ensuring that end-users always have the latest version of your software product. With cross-version capabilities you can distribute one update package, which will bring any solution up to date regardless which version your end-users are currently running.
Patch Factory - Full-featured byte-level patching system for bandwidth-efficient software updating
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Integrated into your application, PatchFactory performs almost any updating task, including synchronizing files, running an installer, updating your software, automatic backup, MD5 checks to ensure accuracy, international language support, advanced log maintenance, and even performing any custom action to keep your customers up-to-date and consequently to significantly reduce your end-user support costs.
The patch building engine is an innovative standard for producing compact reliable version-to-version and multi-version (cumulative) software updates at a very high speed even for Gigabyte sized files contained in one small, secure and reliable self-installing package. The byte-level patching engine is not content dependent, so it may be used whenever data is changed at one location and must be efficiently updated at another, patching engine provides support for all file types and file sizes using adaptive features of patch building algorithm.
Designed for use on all Windows platforms in use today, these patch packages can be distributed on a diskette, CD-ROM or sent via email, web or LAN. Using the adaptive cutting-edge lossless differencing technology of the patch building engine you can reduce your software update size by 90-99%. The small output patch package makes PatchFactory an ideal tool for updating in a bandwidth-sensitive environment.  » PatchFactory patching engine efficiency
Using PatchFactory's innovative technology you can create a complete, yet compact update installation package for the application in a few minutes and make it available for download, or issue a media that contains the update package. You can release your software updates, patches or bug fixes as often as you require.
Ensuring the integrity of the updated system is done by means of extensive error checking performed both when patch module is constructed and when it is applied on the end-user's machine to guarantee that end-user's system is successfully updated.
And furthermore, PatchFactory can be used to update any other all-important data which "freshness" can appear to be critical for your business (any type of documents, databases, etc.). PatchFactory utilizes an intelligent comparison algorithm designed to work well on any type of file. In addition, the patch files are compressed to make them even smaller. The small size of patch files allows them to be quickly copied or transferred, e.g., via web, email or LAN to another machine(s).
 Whatever you want to patch, update or upgrade - PatchFactory v3 offers you the most comprehensive, professional, reliable, easy and safe to use, efficient and reasonably priced software update solution useful for individual software developers as well as for large software development companies. Make your customers feel up-to-date!
Key features of PatchFactory:
Powerful high-speed patching engine with innovative byte-level differencing technology. PatchFactory is compatible with all 32-bit Windows platforms. PatchFactory - professional and easy-to-use software patch maker to solve software update problem easily and efficiently.
Support for all file types and file sizes using adaptive features of patching engine algorithm.
Cumulative patch building to integrate several version updates into one multiversion patch package.
Multiple version components support (with different target location on the end-user's machine).
Customizable user-friendly interface of the update program in a famous installer style.
Silent install/uninstall mode support with no user interaction required.
Automatic backup of modified/deleted files during patch installation for patch Rollback if needed.
Utilizing of the registry or INI files for smart file location.
Integrated Pascal-based scripting engine. » See the complete Features List
OS Supported: Microsoft® Windows® 95/98/ME/NT4/2000/XP/2003 or above.
PatchFactory is being sold at a reasonable price comparing to patching systems of the same class.
Flexible licensing options and free evaluation version download are available.
     


DF SDK - Create compact patch packages for reliable software updating

Software development kit which provides an effective approach to creating software patches and updates, and integrating of the patch applying and/or building process directly into you own software product(s). Unlike other available products, DF SDK does not simply create incremental updates and re-package files, but analyzes files at the byte level and builds the difference for updating the target file on the end-user's system.
DF SDK does not deal with any specific data structures, it operates with files as a binary raw data, and thus DF SDK is designed to work well on any type of files including executables, libraries, data files and others. DF SDK can be used to build a compact byte-level difference for two binary files with the following reconstruction of the new version file(s) using an old file and the difference file on the target machine.
Available as a standard dynamic link library (DLL), DF SDK can be used virtually with any Windows development language. The DF SDK API is designed to be simple enough to integrate it into your existing products/solutions, and to provide a high-grade of performance and flexibility. DF SDK comes with sample programs, and includes examples which can simplify patch creation and applying, thus improving time-to-market factor.
Adaptive cutting-edge lossless differencing technology helps reduce your software update size by 90-99%, which makes it an ideal tool for updating in a bandwidth-sensitive environment.  And furthermore, DF SDK can be used for updating of any all-important data which "freshness" can appear to be critical for your business (any type of documents, databases, etc.). DF SDK incldes an intelligent comparison algorithm designed to work well on any type of file. The small size of difference files allows them to be quickly copied or transferred, e.g., via web, email or LAN to another machine(s).
The innovative patch building features include high-speed comparing of files with size up to 2^63 Bytes (~8589934592 Gb) and flexible control under ratio "time/result" with the help of different comparing methods selection. The patching engine is not content dependent, so it may be used whenever data is changed at one location and must be efficiently updated at another.

Keeping customers on the most current version optimizes the performance of your product and significantly reduces your end-user support costs
Key features of DF SDK:
Powerful high-speed patching engine with innovative byte-level differencing technology PatchFactory is compatible with all 32-bit Windows platforms. PatchFactory - professional and easy-to-use software patch maker to solve software update problem easily and efficiently.
Support for all file types and file sizes using adaptive features of patching engine algorithm
Comparing of Gigabyte-sized files - up to 2^63 Bytes (~8589934592 Gb)
Flexible control under ratio "time/result" with the help of different comparing methods selection
Setting utilized resources constraints
OS Supported: Microsoft® Windows® 95/98/ME/NT4/2000/XP/2003 or above.
DF SDK is being sold at a reasonable price comparing to patching systems of the same class.
Flexible licensing options and free evaluation version download are available.
     


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News&Events
EXCLUSIVE SAVINGS!
Competitive Upgrade.
Buy now and save up to 50% of your total purchase for migration to PatchFactory or DF SDK.
» Read more...

May 15th, 2008
PatchFactory v3.3.4 update is available.
» Details...

January 29th, 2007
PatchFactory v3.3.3 update is available for free download.
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December 25th, 2006
DF SDK v1.0.2.2 released.
Improved performance for diff applying engine.
» Download Free Demo...
» Details...

December 11th, 2006
DF SDK v1.0.2.1 released.
Improved performance for diff building engine.
» Download Free Demo...
» Details...

October 19th, 2006
DF SDK v1.0.2 released.
» Download Free Demo...
» Details...

October 10th, 2006
DF SDK v1.0.1 released. Software Development Kit which provides integrating of effective patching / differencing for files of any type and size into your application(s).
» Download Free Demo...
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Article: Creating Updates and Patches
"Certification Magazine" has published an article devoted to the main aspects of the software updating problem arisen during standard software development cycle.
» Details...
» Read article...

October 24th, 2005
new! PatchFactory v3 Flash-based Tutorial is available.
» View flash-tutorial...

October 4th, 2005
PatchFactory v3.3
released. New language modules for patch installation and improved performance of patch building engine!
» Download Evaluation...
» Details...

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