List of free JavaScript stuff for developerππ½
If you're looking for all programming tools around JavaScript (not just free). Check this page List of JavaScript Programming Tools

Gulp
Gulp is an open source toolkit built on Node.js and npm. It is used for automating and streamlining repetitive tasks in front-end web development.
Tag: javascript, front-end-development
100Devs - leonnoel.com
Train people underrepresented in tech for high growth careers as software engineers.
Tag: HTML, CSS, JavaScript, learning-resource
Free course to learn (or refresh your knowledge of) full-stack development.
YepCode
All-in-one platform to connect APIs and services in a serverless environment. It brings all the agility and benefits of NoCode tools, but with all the power of use programming languages
Tag: Saas, PaaS, serverless, API, workflow, devtools, automation, code, productivity, JavaScript
Credit: 1.000 yeps/month Processes: up to 5 by team Integrations: up to 3 by team Time by execution: 5 minutes

npm
Online repository for the publishing of open-source Node.js projects
Tag: javascript, package-manager
Unlimited public packages
Weblab - Machine Learning notebook for Javascript
Weblab lets you write and evaluate Javascript in an interactive notebook. It gives you a great environment to build Machine learning and Data Science applications.
Tag: javascript, machine-learning, data-science
Create, edit and share notebooks, which are interactive programming environments for javascipt.
