Flutter is Google’s solution for building cross-platform mobile apps. The framework comes with many modern development features like hot reload and a reactive architecture based on widget components. Flutter apps are written in Dart, and can then be compiled to Android and iOS with the respective UI for each platform.

Muuri is a JavaScript library for creating awesome interactive grid layouts. It works by grabbing any number of rectangular tiles and placing them on a responsive grid, ordering them in the most space-economic way. These tiles can then be dragged around, sorted, and filtered, every action causing beautiful animated auto-reordering.

Web Maker is an offline playground for front end experiments. It has a built-in console, offers an easy way to add JS and CSS libraries and supports HTML, CSS and JavaScript preprocessors. It allows you to Import and Export your projects, and you can share your project in CodePen with a single click.

Slate is a powerful framework for building rich text editors that are fully customized to match your needs. This is possible thanks to Slate’s plugin based architecture which allows you to freely add or remove features. The project is based on React and Immutable.js, making it easier for everyone to develop their own plugins.

This is a command line toolkit for building and deploying serverless architectures using AWS Lambda, Azure Functions, Google CloudFunctions & more. It allows you to safely deploy, maintain, and automate your services and functions with support for most mainstream languages. The framework is completely extensible and there are hundreds of community-made plugins.Every project needs good documentation and with Wiki.js it’s super easy to build a nice docs app. Wiki is powered by Node.js, Git and Markdown, and comes with a built-in editor which allows you to write your docs in Markdown and automatically sync them with your Git repo.