Development Resources

w3schools is a great resource for quick lookups on html, css and javascript questions.  their answers are simple and concise and their code samples are standards compliant: http://www.w3schools.com/

phpStorm
Arguably the best PHP IDE out there. https://www.jetbrains.com/phpstorm/

Aptana3 is a powerful IDE built on top of eclipse or as a plugin:  http://www.aptana.com/

Generate WP will create code for many wordpress customizations:  http://generatewp.com/

Beyond Compare a powerful code comparison tool that will allow secure remote connections (SSH) using public key authentication with a passphrase:  http://www.scootersoftware.com/