ftp://ftp.bg.debian.org/debian/pool/main/libz/  direct

[DIR]libzip/  direct  580+ twin directories
[DIR]libzip-ruby/  direct  430+ twin directories
[DIR]libzlib-ruby/  direct  420+ twin directories
[DIR]libzrtpcpp/  direct  510+ twin directories
[DIR]libzvt/  direct  900+ twin directories
[DIR]libzorpll/  direct  380+ twin directories