Code Line Daily - Explore a new line of code every day
Random User-Agent - Automatically change the user agent after specified period of time to a randomly selected one, thus...
Code Doodles - See an amazing code demo on every new tab
30 Seconds of Knowledge - Become a better developer, in every new tab.
React Complex Tree - Unopinionated accessible tree component with drag and drop
User-Agent Switcher and Manager - spoofs browser's User-Agent string.