Data Science (python packages)

Ruby Gems

Javascript Frameworks (official)

A list of javascript frameworks.

Developer Communities

Popular online communities for developers.

Email Spam Checking (tools)

Online tools to check if your emails are being marked as spam or if your domain has been blacklisted.

Books

Good things to read.

Text Editors

GIFs

Art

Productivity

Productivity apps, websites, tools, tips, blogs and more.

Personal Websites

Games

Gaming news, discussion forums, portals, blogs, companies and more.

Apps & Software

All types of software products - desktop software, business software, web applications and mobile apps.