Best patching software for free download

DF SDK is a Software development kit which provides an effective approach of creating patch and update modules, 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, but analyzes files at the byte level and builds the difference for updating the target file on the end-user's system.

Using DF SDK you can effectively accomplish the following tasks:
- Software updating/patching to ensure your end-users always have the latest version of your software product;
- Differential data backup for effective backup data storage in a reliable yet space-saving way;
- Version control for reliable yet efficient control under versions of your files (of any type).

DF SDK does not deal with any specific data structures, it operates with files as a binary data, and thus designed to work well on files of any type 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 result difference file on the target machine.

Available as a standard dynamic link library (DLL), DF SDK can be used almost 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 whick can simplify patch creation and applying.
The size of your files, database or document does not matter - only difference between versions does!

Free download of the demo version and flexible licensing options are available.

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DiamondCS ProcessGuard is a groundbreaking security system first released late in 2003 that protects Windows processes from attacks by other spyware processes, services, drivers, and other forms of executing code on your system. ProcessGuard also stops applications from executing without the users consent, stops malicious worms and trojans from being executed silently in the background, as well as a variety of other attacks. ProcessGuard even stops most keyloggers and leaktests, and is recognised by many to be the most comprehensive anti-rootkit solution available.

Security-conscious users on the Internet these days typically have a firewall and antivirus program at the very least, yet very few users are aware that these layers of security can easily be rendered null and void simply by terminating or modifying the host process. For example, a trojan could simply terminate your personal firewall before attempting to transmit your personal details over the Internet, effectively rendering the firewall useless and leaving the user with a false sense of security. Likewise, it could modify your antivirus program by patching it in memory so that it no longer detected any viruses, so even with a database update and even if it was a known trojan it would remain undetected. Rootkits are another serious threat, because once they've infected your system they can often be extremely difficult to detect (as they modify the operating system itself in order to hide, effectively becoming a stealth trojan). ProcessGuard allows you to block the installation of rootkit drivers, preventing any infection from occurring. Firewall bypass techniques are also another big security problem where ProcessGuard can lend a hand. These are just some of the many advantages you'll get from securing your system with ProcessGuard.


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A hex editor is a tool almost any software developer or software specialist uses now and then. Analyzing binary files, creating input files for test runs, patching binary data – these and hundreds of similar tasks make a hex editor an indispensable tool in the professional's toolbox. FlexHEX has been specifically designed with the software developer in mind, with its intuitive interface and a feature set, perfectly meeting demands of software professionals.

FlexHEX edits raw binary files, OLE compound files, logical disks, physical drives, and can inspect, modify, insert, search, or replace binary, ASCII, or UNICODE data. While providing a full set of features for editing raw hex bytes, FlexHEX also supports editing binary data as typed values in a number of formats. The data conversion functions let a user easily import or export binary data, or just drag-and-drop them to/from another application.

In addition to the powerful editing functions, FlexHEX includes an unlimited Undo/Redo list, so there is no risk of losing data because of a typing error. A rich set of navigation and tracking functions make browsing binary data quick and easy. Bookmarks, the modified area list, the jump history, and other convenient tools make inspecting binary data easy and straightforward.

Software professionals will like handy tools for string and GUID search, checksum computation, random number generation, and browsing COM classes. FlexHEX recognizes the structure and can directly modify OLE compound files, such as MS Word or Excel files. Editing raw binary files, FlexHEX provides full support for advanced NTFS features, such as alternate streams or sparse files.

For more information and unlimited free trial please visit http://www.flexhex.com

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PatchFactory is a comprehensive and innovative software updating and delivery solution, ensuring that your end-users always have the latest version of your files. PatchFactory performs almost any updating task, including synchronizing files, running an installer, updating your software, and even performing a custom action to keep your customers up-to-date and to significantly reduce your end-user support costs.

Using PatchFactory it is possible not just to create an update module for a certain version, but also monitor all your software products, versions and version components that may have different target location on the end-user's machine. This innovation is based on the advanced functionality of the new release that includes improved byte-level patch building algorithm and innovative program interface.

The innovative features of patching engine include cumulative patching to bring all in-field versions up-to-date using a single self-extracting executable, comparing files of any type and size, improved high-speed of patch building and flexible control under ratio "time/result" with the help of different comparing methods selection.

Among the new patch applying features are customizable dialogs, a familiar wizard-style runtime interface, use of key files and MD5 checks to ensure accuracy, international language support, silent install / uninstall with no user interaction required, smart automatic version check to determine the installed version, support for passworded and encrypted installs, automatic Rollback at patch applying to guarantee that the end-user's system is successfully updated and Rollback/Uninstall of the update after installation, and lots more.

Free download of the evaluation version and flexible licensing options are available.

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PatchBreeze is a must-have for all developers who regularly release new versions of their software. PatchBreeze is a simple yet powerful software patch and update building tool that is used for creating extremely compact software, documents and databases updates from the old version to the new one. PatchBreeze is equipped with all necessary features to create completely self-contained software updates and makes it easy for your customers to upgrade your software to the latest version available. Thanks to its benefits, such as easy user interface, intelligent patch creating engine with built-in compression, adjustable user interface of the update program, PatchBreeze now allows the developer to create professional software updates in a breeze!

PatchBreeze can be used for:

* creating updates/patches for software, documents, databases

* data backup in the form of cumulative updates, making the backup copies tens or even hundreds times smaller size than before!

* permanent and archival storage of multiple similar versions of your software, databases or documents.

PatchBreeze's features:

* ability to rollback to the previous installed version of software if updating went wrong for some reason
* the size of generated patches is one of the smallest in the industry

* extremely high speed of patch generating

* integrated compression technology

* ability to update the whole project including all files and folders

* extensive error checking during the patch creation as well as the patch application operations; so integrity of each file and the whole updated system is guaranteed

* optional opportunity to present to your end-user software license information and release notes during the patch application

* a user defined program can be run after successful patch application

* simulation of the patch application operation, ensuring that no file would ever be incorrectly patched

... and many more!

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