Coda is a new type of document that blends the flexibility of documents, the power of spreadsheets, and the utility of applications into a single new canvas. It lets you make a doc as powerful as an app.coda.io
Hotjar is a behavior analytics company that analyses website use, providing feedback through tools such as heatmaps, session recordings, and surveys.
RStudio provides free and open source tools for R and enterprise-ready professional software for data science teams to develop and share their work at scale.
Jupyter is a free, open-source, interactive web tool known as a computational notebook, which researchers can use to combine software code, computational output, explanatory text and multimedia resources in a single document.