Whenever a user is asked to provide input, the program should expect errors. This is true for almost any language and almost any case; you should protect your MySQL code from sql-injections, your php input fields from scripts, your javascript from infinite loops, your java code from non-fitting variable type.

“Miso Offensivator” is a small online tool meant to demonstrate people’s tendency to ‘groupthink’ and fall into the mentality of ‘us’ versus ‘them’ in formulating arguments.

cURL is a PHP library that’s meant to safely retrieve remote data. The term ‘safely’ is a relative one, of course, depending on what you do with it. But since cURL doesn’t generally execute the fetched data, it is considered much safer than many other options.

MooBot is a Perl-based IRC automatic ‘bot’, with language and plugin support.