1. JupyterHub – JupyterHub is a multi-user server that allows online access to Jupyter notebooks for students, researchers or businesses. 2. Kaggle Kernels – Kaggle Kernels is a free, online platform that allows users to write, run and share Jupyter notebooks with others. It also provides access to pre-built datasets and machine learning competitions. 3. Binder – Binder allows users to turn any GitHub repository into a collection of interactive notebooks that can be shared with others. It is free and open source. 4. IBM Watson Studio – IBM Watson Studio is a cloud-based data science platform that includes a Jupyter notebook environment, machine learning tools and other data science tools. 5. Microsoft Azure Notebooks – Microsoft Azure Notebooks is a free, online Jupyter notebook environment that can be used for data processing, analysis and visualization. 6. CoCalc – CoCalc is an online platform that provides access to a Jupyter notebook environment, as well as other data science tools and programming languages such as R, SageMath and LaTeX. 7. Code Ocean – Code Ocean is an online platform that allows users to create, share and run Jupyter notebooks and other software in the cloud. 8. Google Colaboratory – Google Colaboratory is a free, cloud-based Jupyter notebook environment provided by Google. It includes access to GPUs and TPUs for machine learning projects.