Source Code

    Version as of 16:58, 1 Sep 2025

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    SoftEther VPN Server, Client and Bridge are free software, and released as open-source. You can redistribute them and/or modify them under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

    Download the latest source code package

    The source code packages in .zip and .tar.gz format are available from:

    http://www.softether-download.com/

    This is the easiest way to obtain the source code of SoftEther VPN.

     

    Build the programs from the source code

    To build from the source, see "BUILD_UNIX.TXT" or "BUILD_WINDOWS.TXT" files in the package, or see the following links.

    • How to build SoftEther VPN for Windows
    • How to build SoftEther VPN for UNIX (Linux, Mac OS X, FreeBSD and Solaris)

     

    Explore the latest source code tree from GitHub

    We use GitHub as the primary official SoftEther VPN repository.

    If you are an open-source developer, visit our GitHub repository:

    https://github.com/SoftEtherVPN/SoftEtherVPN/

     

    You can download the up-to-date source-code tree of SoftEther VPN from GitHub. You may make your own fork project from our project.

     

    The download and build instruction is following:

    $ git clone https://github.com/SoftEtherVPN/SoftEtherVPN.git
$ cd SoftEtherVPN
$ make
$ make install

     

    To circumvent your government's firewall restriction

    Because SoftEther VPN is overly strong tool to build a VPN tunnel, some censorship governments want to block your access to the source code of SoftEther VPN, by abusing their censorship firewalls.

    To circumvent your censor's unjust restriction, SoftEther VPN Project distributes the up-to-date source-code on all the following open-source repositories:

     

    To fetch the source code from GitHub:

    $ git clone https://github.com/SoftEtherVPN/SoftEtherVPN.git

     

    To fetch the source code from SourceForge:

    $ git clone http://git.code.sf.net/p/softethervpn/code

      - or -

    $ git clone git://git.code.sf.net/p/softethervpn/code

     

    To fetch the source code from Google Code:

    $ git clone https://code.google.com/p/softether/

     

    We hope that you can reach one of the above URLs at least!

     

    Dear security experts

    If you find a bug or a security vulnerability please kindly inform us about the problem immediately so that we can fix the security problem to protect a lot of users around the world as soon as possible.

    Our e-mail address for security reports is: softether-vpn-security [at] softether.org

    Please note that the above e-mail address is not a technical support inquery address. If you need technical assistance, please visit http://www.softether.org/ and ask your question on the users forum.

     

    Disclaimer

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN, UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY, MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING, MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO, JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
     
    USE ONLY IN JAPAN. DO NOT USE IT IN OTHER COUNTRIES. IMPORTING THIS SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER COUNTRIES MIGHT BE RESTRICTED.