Spokk - Get your creations or ideas for blogs, designs, art, music, photos, YouTube videos or anything...
BuiltWith - Find out the technology behind websites
Resource Center by UserGuiding - All your product, marketing and help materials in one place
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
botwick - Build your own SMS-based text bot
What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.