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CareerStack Curated directory of job search resources & tools
Startup Stash A curated directory of 400 resources & tools for startups
Embedly Responsive shareable cards for any content on the web.
Ship Your Enemies Glitter Send glitter to the people that deserve it
WooCommerce The most customizable eCommerce platform, built on WordPress
BrowserShots Screenshots of your web design in different OS and browsers.
OverDrive eBook lending for free through public libraries
BuiltWith Toolbar Reveals the tech underneath a website. Browser extension.
Mailtrack.io The best email tracking solution I've found. Free
Peek by UserTesting Get a 5-minute video of a real person using your site or app
Crazy Egg Powerful Heatmap and Eye Tracking Software for CRO
Optimizely A/B Testing you'll actually use for web and mobile apps