Conveuro is a Chrome Extension that allows you to convert currencies directly on the page you're currently looking at. The extension's popup allows you to input what you want to convert yourself and is smart enough to detect the currency without having to explicitly select it.
Neat Messages for Gmail is a Chrome Extension that puts plain text emails in a neat container where you can comfortably read them. In the meantime, HTML emails that are designed and have everything looking nice will be left unchanged.
Extreme Productivity Booster XL Pro doesn't allow you to close tabs. If you try to close one, it reopens twice. You also can't close subsequent windows.
Scroll Alert is a Chrome Extension for developers that, when you've opened DevTools, warns you when overflow is detected in the page and highlights the elements responsible for it. It also provides a sidebar pane in the Elements panel that allows you to easily inspect the problematic elements.
Node Hypertext Preprocessor is a
template engine built on Node.js that employs the modular paradigm. It has no control-flow tags and among basic features, it has asynchronous rendering and allows you to utilize the entirety of the npm registry to render your markup!
Relog is a simple CLI tool that can stream log files. With the help of its browser extension counterpart, it can stream them to your JavaScript console in Chrome DevTools as well.
Interactive calculator showing the remaining days and workhours of the quarter (or your own custom period) with the ability to mark your vacation days, set goals, and plan the time needed to achieve them.