XAMPP is a software bundle made by apachefriends.org that takes Apache, PHP, MySQL, Perl, and other web technologies and wraps it into one neat, ready-to-run installation package.

I use pmwiki to keep notes. It has a simple calender plugin that works pretty well.<BR><BR>If you are comfortable with wiki markup wikis are a great way to stay organized without too much effort.

If you're looking for a powerful, secure web-based database interface, Jack Wallen shows you how to install and use Adminer on Ubuntu Server.