MicroPython aims to implement the Python 3.4 standard (with selected features from later versions) with respect to language syntax, and most of the features of MicroPython are identical to those described by the “Language Reference” documentation at docs.python.org.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted
- JavaScript
- FreeBSD
- OpenBSD
Australia

Cost / License
- Free
- Proprietary
Platforms
- Online

Durandal is a cross-device, cross-platform client framework written in JavaScript and designed to make Single Page Applications (SPAs) easy to create and maintain.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
Cucumber is a tool that executes plain-text functional descriptions as automated tests. Collaboration tool for executable specifications which is based on "gherkin"-parser Gherkin is the language that Cucumber understand.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Ruby
- JavaScript
- Jython
- C++
- Java
- Lua
- Perl
Norway

Tom Select is the hybrid of a textbox and select box. It has autocomplete and native-feeling keyboard navigation. Useful for tagging, contact lists, etc.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Online
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Chrome OS
- Google Chrome


Bouquet automatically generates REST API endpoints for front-end developers to focus on UX and visualizations with HighCharts, D3.js and others.
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
United States


+5
It provides tutorials about JavaScript, react, Vue, and other things related to web development.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Self-Hosted

SockJS is a browser JavaScript library that provides a WebSocket-like object. SockJS gives you a coherent, cross-browser, Js API which creates a low latency, full duplex, cross-domain communication channel between the browser and the web server.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Node.JS
Memoized is an open-source platform for preparing coding interviews with a focus on JavaScript and TypeScript.
Cost / License
- Freemium
- Open Source
Platforms
- Online
- Software as a Service (SaaS)
- Self-Hosted
- Docker
Croatia
EU


Platforms
- Online
- Self-Hosted
ag-Grid is a feature-rich datagrid available in free or enterprise versions. Easily integrate with your framework to deliver filtering, grouping, aggregation, pivoting and much more. Version 16 just released.
Cost / License
- Paid
- Open Source
Platforms
- Mac
- Windows
- Linux



Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
France
EU

The life-saver app for web developers ! Easily check syntax, minify or process all your web assets (stylesheets, scripts and templates) as you edit them with your favorite text editor!
Styles processing: Whether you're working with plain CSS or with Less, Sass or Stylus, Si.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
France
EU



vis.js is a dynamic, browser based visualization library. The library is designed to be easy to use, to handle large amounts of dynamic data, and to enable manipulation of and interaction with the data.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
Netherlands
EU



Build native mobile apps for multiple platforms from a single HTML5 codebase. You write your HTML5 code using the Forge JavaScript API which gives you access to native features such as the camera and contacts API.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Platforms
- Mac
- Windows
- Linux
Brazil

Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Chrome OS
- Self-Hosted
- Software as a Service (SaaS)
Poland
EU


+3
QUnit is a powerful, easy-to-use, JavaScript test suite. It’s used by the jQuery project to test its code and plugins but is capable of testing any generic JavaScript code (and even capable of testing JavaScript code on the server-side).
Cost / License
- Free
- Open Source
Platforms
- Online
The Coding Train with Daniel Shiffman is dedicated to offer free beginner-friendly creative coding tutorials and challenges for Java and JavaScript programming languages using the P5.js and Processing frameworks.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
United States



Testing can be a drag. AVA helps you get it done. AVA is a test runner for Node.js with a concise API, detailed error output, embrace of new language features and process isolation that let you write tests more effectively. So you can ship more awesome code.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
- Self-Hosted

Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Online

EasyBase is a powerful, low-code cloud database with a self-building API and visual query builder. It integrates well with React components.
Cost / License
- Free
- Proprietary
Platforms
- Python
- React
- Software as a Service (SaaS)
- React Native
- HTML
- Node.JS
United States


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