The creators of the open-source Python notebook marimo have launched a new cloud-hosted service called molab in response to user requests for marimo support in Google Colab, offering features such as persistent storage, link sharing, and real-time collaboration, with the aim of facilitating modern data workflows for their community.
Python, uv, Cloudflare R2, Modal, Pydantic Logfire
2025-07-19
- Website
Highlight 1
The platform offers robust and secure persistent storage, powered by Cloudflare R2, ensuring your notebooks are saved and easily accessible for future use.
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Thanks to the uv tech stack, notebooks load quickly and the platform allows for rapid installation of dependencies, making it easy for users to work on their projects.
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The upcoming features like real-time collaboration and computational resource customization will cater to the growing needs of data scientists and teams, making it a versatile tool for collaboration.
Improvement 1
While the platform is still evolving, features like real-time collaboration and resource configuration are not yet available, which could hinder team collaboration in larger projects.
Improvement 2
The UI could be improved for a more intuitive experience, particularly for new users who may find it challenging to navigate the platform without a clear guide.
Improvement 3
The lack of detailed documentation for advanced features and installation procedures may create challenges for users unfamiliar with the tech stack, reducing the platform's accessibility.
Product Functionality
Implement advanced computational resources for cloud-based computation (e.g., selecting specific CPUs/GPUs) and accelerate the availability of real-time collaboration features.
UI & UX
Simplify the interface for new users with clearer navigation, possibly through a guided onboarding process, and improve overall usability with modern design elements and feedback mechanisms.
SEO or Marketing
Focus on building SEO through content marketing by creating tutorials and blog posts that showcase Molab’s unique capabilities, such as fast dependency management and real-time collaboration.
MultiLanguage Support
Expand the platform’s accessibility by offering multi-language support to cater to a wider audience, particularly in regions where Python programming is widely used, such as India and Southeast Asia.
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What is Molab and how does it work?
Molab is a cloud-hosted Python notebook platform that offers fast package installations, persistent storage, and easy sharing of notebooks. It is built on Marimo and is free to use with a focus on ease of use for the community.
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Can I collaborate with others in real-time on Molab?
Real-time collaboration is a future feature that is currently being developed. Once available, users will be able to work on notebooks simultaneously with other team members.
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How do I download a notebook from Molab?
You can easily download your notebook as a Python script or app by clicking the download option in the interface, which allows you to reuse the notebook code locally on your machine.