Open source software EULA

HAMSTER free software is a (kind of application) application distributed by HamsterSoft OpenJSC.

By accepting this agreement or by installing HAMSTER free software, you agree to the following HAMSTER free software-specific terms, notwithstanding anything to the contrary in this agreement.


Subject to your compliance with these terms and conditions, HamsterSoft OpenJSC grants you a royalty-free, non-exclusive, non-transferable license to use HAMSTER free software, both for your personal and commercial purposes. HamsterSoft OpenJSC. reserves all rights in HAMSTER free software not expressly granted to you here.

Hamster Free eBook Converter users sourcecodes of Calibre (e-Book management tool made by Kovid Goyal) and inherits all GNU GPL 3.0 rights from it.


The source code, design, and structure of HAMSTER free software are trade secrets except software licensed under GNU GPL 3.0, LGPL, MPL, BSD-licensed or Free components used to compile. You will not disassemble, decompile, or reverse engineer it, in whole except to the extent expressly permitted by law or except GNU GPL 3.0, LGPL, MPL, BSD-licensed or Free components used to compile HAMSTER free software. You will not use HAMSTER free software for illegal purposes. You will comply with all export laws. HAMSTER free software is licensed, not sold.


In purpose of service improvement HAMSTER free software downloads files to automatically update itself.


HamsterSoft OpenJSC disclaims any responsibility for harm resulting from HAMSTER free software or any software or content downloaded using HAMSTER free software, whether or not HamsterSoft OpenJSC approved such software or content. HamsterSoft OpenJSC approval does not guarantee that software or content from an approved partner will function, sound, or appear as offered or hoped, or be complete, accurate, or free from bugs, errors, viruses, or other harmful content. HamsterSoft OpenJSC expressly disclaims all warranties and conditions, express or implied, including any implied warranties and conditions of merchantability, fitness for a particular purpose, and noninfringement, and any warranties and conditions arising out of course of dealing or usage of trade regarding the HAMSTER free software software or any software or content you download using the HAMSTER free software software. No advice or information, whether oral or written, obtained from HamsterSoft OpenJSC or elsewhere will create any warranty or condition not expressly stated in this agreement. Some jurisdictions do not allow certain limitations on implied warranties, so the above limitation may not apply to you to its full extent.


These HamsterSoft OpenJSC terms will be governed by and construed in accordance with the laws of Russian Federation, without regard to conflicts of law rules. The United Nations Convention on Contracts for the International Sale of Goods will not apply. The failure by either party to enforce any provision will not constitute a waiver. Any waiver, modification, or amendment of the HamsterSoft OpenJSC terms will be effective only if signed. If any provision is held to be unenforceable, it will be enforced to the maximum extent possible and will not diminish other provisions. HamsterSoft OpenJSC may make changes to these terms from time to time. When these changes are made, HamsterSoft OpenJSC will make a new copy of the terms available at You understand and agree that if you use HAMSTER free software after the date on which the terms have changed, HamsterSoft OpenJSC will treat your use as acceptance of the updated terms. You agree that HamsterSoft OpenJSC may provide you with notices, including those regarding changes to the terms, by postings on http:// This is HamsterSoft OpenJSC's complete and exclusive understanding with you regarding your use of HAMSTER free software as an end user.


If you have any questions, please visit the HAMSTER free software user forums at product web-sites.

Our installers collects NON-personally identifiable information about this installation and the recommendation process. Collection of this information ONLY occurs during this installation and the recommendation process (express installation); in accordance with Privacy Policy, available at


Remove HAMSTER free software thru Windows Add/Remove Programs list:
1. Go to the Start Menu on the bottom left of your computer's screen.
2. Locate and click on Control Panel.
3. Find the Add or Remove Programs icon and double-click it.
4. Here you'll see a whole list of programs & applications that are installed on your computer. Find and select application desired to uninstall and click "Uninstall".
5. Confirm that you want to uninstall this software by clicking on "Remove".


Hamster Free Video Converter uses FFmpeg version 0.6 from the FFmpeg project and Mencode under GNU GPL v2 license. FFmpeg source code for this software is avalible at:; Mencode source code for this software is avalible at:

Hamster Free Zip Archiver made by HamsterSoft and based on 7z-engine ( created by Igor Pavlov (7-Zip Copyright (C) 1999-2011 Igor Pavlov) and inherits all LGPL restrictions.


Hamster Free eBook Converter designed, translated on 40 languages and distributed by HamsterSoft and based on Calibre-engine created by Kovid Goyal and inherits all GNU GPL 3.0 restrictions.