The ClicksAndWhistles project began on 24th November 2007 with v1.0 being released on 14th February 2008.
ClicksAndWhistles is written in C++ (Microsoft Visual Studio 2008) and uses the following libraries:
C++ Standard Library (also known as STL)
MFC
Win32 SDK, GDI+
zlib (1.2.3)
OpenSSL (0.9.8k)
The source code to the ClicksAndWhistles IRC engine can be downloaded here (v2.7.36).
As of v2.7.30 ClicksAndWhistles consists of approximately 84,000 lines of code (including whitespace/comments, excluding third party libraries).
Comments are always welcome, please e-mail the author.