Several generally useful classes.
All C++ programs need a few basic utilities, and all C++ programmers write their own at some point. The things included in vbl are not considered any better or worse than the several other libraries available, but they are consistently named and lightweight.
The key elements of this library include:
Fred Wheeler is responsible for co-ordinating significant changes to vbl. http://sourceforge.net/sendmessage.php?touser=360434