What started a short list became quite a big description, more details inside the post.
Matter.js - 2D physics engine for HTML5 mobile and web applications. Has a great demos
Nightly blog update was not perfectly seamless. It's a pity I have no time for auto-tests yet, so let's consider it as "normal". If you got any bugs - feel free to write about it in comments ;)
PHP library for easy CSV manipulation (Bakame.csv) - creating, fetching, filtering etc.
Support for Vagrant has been significantly improved in latest PhpStorm 7. Plugins management and custom path to Vagrantfile
cebe has just released first version of his PHP Markdown parser. With GFM and extensions. php-markdown extra and Smarty pants are yet to come.