Do - Do helps you run productive meetings. Do work you love.
Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.
Kurator - The premier Chrome extension for savvy researchers and publishers alike. Curate your interest and publish to your website, newsletter and social media sites directly from the browser.
Kajero - Interactive JavaScript notebooks - create good-looking, responsive, interactive documents.
Vabotu - More than slack. More than Trello. FREE.
BeakerX - Open Source Polyglot Data Science Tool