Live.js

Next.js gives you the best developer experience with all the features you need for production: hybrid static & server rendering, TypeScript support, smart bundling, route pre-fetching, and more. No config needed.

Shiny is an R package that makes it easy to build interactive web apps straight from R. You can host standalone apps on a webpage or embed them in R Markdown documents or build dashboards. You can also extend your Shiny apps with CSS themes, htmlwidgets, and JavaScript actions.

An all-round MQTT client that provides a structured topic overview.

Rancher Desktop is an open-source desktop application for Mac, Windows and Linux. It provides Kubernetes and container management. You can choose the version of Kubernetes you want to run. You can build, push, pull, and run container images.

SnipCSS is a developer tool that extracts every CSS rule needed to rebuild the DOM subtree of any element. Unlike other tools it never uses computed styles, it uses the devtools protocol to extract the styles.

MailHog is an email testing tool inspired by MailCatcher, but easier to install.

Selectize is a custom UI control with autocomplete and native-feeling keyboard navigation. It's useful for tagging, contact lists, country selectors, and so on.

HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free edition and a PRO version that cost money and has additional features.