Style Tiles & Style Guides

Interactive Style Tiles theme from Republic of Quality
About Style Tiles from styletil.es
Atomic Pattern Lab from Brad Frost
Pea.rs WordPress Theme

Graphic Design

Adobe Creative Cloud use ALL the Adobes! (Includes Typekit)

Prototyping/Agile Design

Macaw web design tool
Grayscreen Prototypes from Newfangled

Design Assets & Resources

iStockPhoto stock photography resource
Compfight search Creative Commons photos on Flickr (also a WordPress plugin)
icomoon GPL and premium icons
Adobe Kuler fun with color
FontSquirrel free print and web fonts for commercial use

Education

Lynda.com tutorials on design, video, animation and development programs

Business Management

Freshbooks time tracking, invoicing, estimates, and accounting
Outright “like Mint.com for business”
Powerlancer All-in-one project management/CRM system designed for creative freelancers (beta)
Hootsuite for managing social networks

Development & Local Dev

DesktopServer by ServerPress – local development and deployment designed for WordPress
Sublime Text text editor
List of Sublime Text Snippets for WordPress
DreamPress Managed WordPress hosting by Dreamhost

WordPress Themes

Roots starter theme for WordPress theme development (based off Bootstrap)
ZurbPress starter theme for WordPress theme develipment (based off Foundation)
Spring Theme by 3themes (based on Sass/Sassquatch mixins)

WordPress Plugins

GravityForms by Rocketgenius – robust forms plugin
WordPress SEO by YOAST – granular SEO control
WP 101– in-dashboard WordPress tutorial videos
WooCommerce by WooThemes – comprehensive eCommerce solution
Events Calendar Pro by Modern Tribe – event calendar, scheduling and management
WooCommerce Tickets – manage event registration with WooCommerce and Events Calendar Pro
BackupBuddy by iThemes – backup and migration solutions

Video

Vimeo Pro video hosting with your brand