aspect is a log visualization/viewer tool. aspect borrows the initial idea of visualizing logfiles from the old seelog project, but enhances it to work in modern day by utilizing SQL, PHP and a web frontend.
Authdefender is a filtering application that, in combination with iptables, blocks malicious users from accessing any aspect of the server in question. Malicious users are defined by brute force ssh/ftp attempts and blocked regardless of tcp wrappers.