SVN

The SVN repository is at SourceForge. It can also be interactively browsed at:

https://sourceforge.net/p/imtoolkit/im/

To checkout using the command line use:

svn checkout svn://svn.code.sf.net/p/imtoolkit/im/trunk/im im
svn checkout svn://svn.code.sf.net/p/imtoolkit/im/trunk/zlib zlib (to compile IM in Windows)