Comparison of Subversion clients

There are several subversion clients as TortoiseSVN, SmartSVN, RabbitVCS, VisualSVN, AnkhSVN, etc... Choose the better svn client is not easy because it depends from the usage you want to do and the other softwares related.
The goal of this short article is to make a brief overview of some of the clients in circulation highlighting the relevant terms for each of them. 

TortoiseSVN

TortoiseSVN implements a Windows shell extension (linux version is not available), it is easy to use, since it doesn't require the Subversion command line client to run. About the license It is a free tool (GPL).
TortoiseSVN's official web page: https://tortoisesvn.net/

SmartSVN

SmartSVN is a client avaible for OS X, Linux and Windows. It provides a good user interface. About the license, there are two versions: free Foundation edition and as full-featured Professional edition. 

SmartSVN's official web page: http://www.smartsvn.com/

RabbitVCS

RabbitVCS is a set of graphical tools for linux written to provide simple and straightforward access to the version control systems you use. It is not only svn client but even for others source version controls, for example Git. About the licence, it is an other free tool (GPL). You can see some screenshoot in this page.
RabbitVCS's official web page: http://rabbitvcs.org/

VisualSVN

VisualSVN is a professional grade svn integration plug-in for Visual Studio. I think that this plug-in is mandatory if you use svn and Visual Studio.  About the licence, there are more versions also free versions, all details are described in this page. You can see some screenshoot in this page.
VisualSVN's official web page: https://www.visualsvn.com/visualsvn/

AnkhSVN

AnkhSVN is an other Subversion Source Control Provider for Microsoft Visual Studio 2005-2015 and 2017.  About the licence, it is an other free tool but with Apache Licence. You can see some screenshoot in this page.
AnkhSVN's official web page: https://ankhsvn.open.collab.net/