TortoiseSVN jest projektem Open Source opracowanym na warunkach GNU General Public License (GPL). Można go pobrać za darmo i bezpłatnie używać, zarówno prywatnie, jak i komercyjnie, na dowolnej liczbie komputerów.

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/.