Automates tasks like minification, compilation, unit testing, and linting through a Gruntfile. Huge ecosystem with hundreds of plugins available.
- Free • Open Source
- Mac
- Windows
- Linux
- Self-Hosted
- Node.JS

Automates tasks like minification, compilation, unit testing, and linting through a Gruntfile. Huge ecosystem with hundreds of plugins available.

Visual web-based 2D game creator with drag-and-drop event system, JavaScript integration, no installation required, and export to multiple platforms.

Textastic is an advanced code editor for iOS and macOS with support for syntax highlighting, remote file transfer, and SSH.

Plotly is the easiest way to graph and share data online. Open-source libraries for JavaScript (comparison with HighCharts at https://plot.ly/highcharts-alternative/), Python, R, and MATLAB.

With this web site, we aim at providing users with some basic information about their configuration and how trackable it is. We also want to exploit the data we collect to advise users about how they can be more similar to others and thus be less trackable.

Polyfire's goal is to make it possible to code every AI tool/Chatbot you could want in only a couple of lines of code in the frontend without the need for complex abstractions and having to deploy anything.

Übersicht lets you run system commands and display their output on your desktop in little containers, called widgets. Widgets are written using HTML5, which means they

For those who have not yet been introduced, meet the Proxomitron: a free, highly flexible, user-configurable, small but very powerful, local HTTP web-filtering proxy.

Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

kodeWeave is a realtime coding playground for HTML, CSS and Javascript. Similar to JSFiddle and JSBin, but kodeWeave was made to work offline but also as a prototyping application to build applications for desktop operating systems while on mobile devices.

Yarn is a package manager for your code. It allows you to use and share code with other developers from around the world. Yarn does this quickly, securely, and reliably so you don’t ever have to worry.

The aim of the project is to create a lightweight 3D library with a very low level of complexity — in other words, for dummies. The library provides <canvas>, <svg>, CSS3D and WebGL renderers.

A complete JavaScript framework for building 3D games with HTML5, WebGL and Web Audio.

Appcelerator Titanium, offered for free by Appcelerator, lets web developers use web technologies, open source and cloud computing to build native apps for iPhone, Android, Windows, Mac OSX and Linux.

ezBookkeeping is a lightweight, self-hosted personal finance app with a user-friendly interface and powerful bookkeeping features. It's easy to deploy, and you can start it with just one single Docker command.

htmx gives you access to AJAX, CSS Transitions, WebSockets and Server Sent Events directly in HTML, using attributes, so you can build modern user interfaces with the simplicity and power of hypertext

Shinobi is an Open Source CCTV software written in Node.JS. Streams are img tags, but not MJPEG. Images are transferred through WebSocket. Files are saved in WebM videos, not JPEGs.

p5.js a JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing.

Open-source platform for self-hosted cloud storage with a minimal interface, built using TypeScript, Deno, and Fresh, supporting WebDAV and flexible file management.

SwarmUI (formerly StableSwarmUI), A Modular Stable Diffusion Web-User-Interface, with an emphasis on making powertools easily accessible, high performance, and extensibility.

Codewith.it is an online HTML, CSS and JavaScript code playground with realtime preview with many tools for developing web pages and advanced code analysis systems, with many assistance tools.

Turborepo is a high-performance build system for JavaScript and TypeScript codebases, designed to scale monorepos and speed up single-package workspace workflows. It uses a lightweight approach to optimize repository tasks, saving time and reducing costs for developers and large...

Frappe is a full stack, batteries-included, web framework written in Python and Javascript.

Marketplace for downloadable web development assets, themes, plugins, code snippets, print materials, mobile app components, and graphics for creators.

When learning to code, most people get stuck on the "bridge" between memorizing syntax and understanding the logic that makes it all work. We believe the most effective way to learn a programming language is to break the process into three phases:
