许可协议

TortoiseSVN 是一个基于 GNU 通用公共许可协议 (GPL) 开发的开源软件。它可以免费下载和使用，无论是个人或是商业目的，并且没有安装数量的限制。

Although most people just download the installer, you also have full read access to the source code of this program. You can browse it on this link https://osdn.net/projects/tortoisesvn/scm/svn/. The current development line is located under /trunk/, and the released versions are located under /tags/.