Find all the available formulae from the Homebrew project and get a description of what the formula does. You can search for any kind of information and find the formula you will install today. Don't forget to share what you've installed using our Twitter button :)
If you are writing software in C++ that needs to access databases managed by postgres—on just about any platform—then libpqxx is the library you use. It is the standard C++ language binding for the postgres RDBMS.