List of free data-science tool/service for developerππ½

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.

Google Colab
Colab is a free Jupyter notebook environment that runs entirely in the cloud.
Tag: data-science, data-visualizations

Jupyter Notebook
Jupyter Notebook is an open-source web application that allows you to create and share documents that contain live code, equations, visualizations and narrative text.
Tag: data-science, data-visualizations
Open Source

Kaggle
Kaggle is the world's largest data science community with powerful tools and resources to help you achieve your data science goals.
Tag: data-science, data-visualizations

Deepnote
Deepnote is a new kind of data science notebook. Jupyter-compatible with real-time collaboration and running in the cloud.
Tag: data-science, note-taking
Unlimited personal projects (with up to 750h of Standard Hardware per month) Teams, up to 3 editors & unlimited viewers