To take it out of PMs and invite others to show us their secrets.
Just a list of stuff to start it off. Then questions can come and specific things can be revealed!
Favorite coding Framework and the one the Citadel is built onhttp://ellislab.com/codeigniter
Framework I am drooling to try and may convert in a few years when I am ready to play with another system and might be a better one to start withhttp://laravel.com/
Favorite web development framework and the one the Citadel is built onhttp://getbootstrap.com
Good starting html5 framework but there are tonshttp://html5boilerplate.com/
There are a ton of frameworks of any flavor you could ever think of when you start searching. I probably won't ever code from scratch again...mostly because I am too lazy.
Absolute favorite editor without a doubt and I will never use anything againhttp://www.sublimetext.com/
I think, mandatory pluginshttp://wbond.net/sublime_packages/package_control
- to intsall everything you ever needhttp://wbond.net/sublime_packages/sftp
- Create/maintain local, autoupdate live on save and/or update in bulk when ready
Others - http://net.tutsplus.com/tutorials/tools-and-tips/essential-sublime-text-2-plugins-and-extensions/
just do a search for "must have sublime text plugins" and read the wonders
For raw coding, I still like database abstraction and the first iteration of the citadel relied heavily on http://justinvincent.com/ezsql
I experimented with yui and enjoyed that before I got bootstrap http://developer.yahoo.com/yui/grids/
Also played with jquery ui but bootstrap does most of what I want so slowly removed it. http://jqueryui.com/
As far as recent stuff, that is about it. If nothing else, get sublime. I have tried almost every php IDE you could think of. From Zend to PHPed to PhpStorm or netbeans and none of them match my style of coding as well as sublime. All the ones I mentioned I probably used for a year or so and they all are good in their own way.
I think that is a good start.
What do you have that you love playing with???