OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
DevDojo - Dev tools and resources for building awesome stuff
POPUPSMART - A no-code tool to increase e-commerce sales, build email lists and engage with your visitors in just 5-minutes.
UXsniff - Track user behavior on your website and improve conversions with UXsniff: the user experience watchdog that looks out for you.
OptiMonk - OptiMonk is the most powerful Onsite Retargeting platform, that helps you increase the conversion rate of your site, and get more leads by recovering lost visitors.
UX Recipe - Checklist to discover your next UX project tools/techniques