marimo vs NiceGUI
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | marimo | NiceGUI |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 96 · Excellent | 95 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | Apache-2.0 | MIT |
| Language | Python | Python |
| Setup difficulty | Easy | Easy |
| Min. RAM | 512 MB | 256 MB |
| Deployment | source, binary | docker, source, binary |
| GitHub stars | ★ 22,887 | ★ 16,234 |
| First released | 2023 | 2021 |
| Replaces | Jupyter, Streamlit | Streamlit, Gradio |
What are marimo and NiceGUI?
marimo
marimo is an open-source reactive notebook for Python where cells automatically re-run when their dependencies change. Notebooks are stored as pure Python files and can be deployed as interactive web apps.
- Reactive cell execution
- Notebooks stored as Python
- Deploy as web apps
- Reproducible by design
NiceGUI
NiceGUI is a Python framework for creating web-based user interfaces and dashboards with minimal code, running on a built-in server. It is ideal for self-hosted internal tools and hardware control panels.
- Web UIs in pure Python
- Built-in web server
- Live updates
- Great for dashboards
marimo vs NiceGUI: key differences
Both projects are written in Python. Licensing differs — Apache-2.0 for marimo versus MIT for NiceGUI. NiceGUI is the lighter option, starting around 256 MB of RAM against 512 MB for marimo. NiceGUI is the more established project (first released 2021), while marimo arrived in 2023. NiceGUI lists first-class Docker deployment; marimo does not.
Why pick each one
Choose marimo if…
- Reactive cell execution
- Notebooks are pure Python
- Deployable as web apps
Watch out for
- Not ipynb compatible
- Smaller ecosystem than Jupyter
Choose NiceGUI if…
- Pure Python UIs
- Built-in live updates
- Great for hardware panels
Watch out for
- Not for complex frontends
- State lives server-side
Frequently asked questions
Is marimo or NiceGUI better?
Neither is universally better. marimo has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are marimo and NiceGUI free and open-source?
Yes. marimo is licensed under Apache-2.0 and NiceGUI under MIT. Both can be self-hosted at no software cost.
Can I run marimo and NiceGUI with Docker?
marimo: check the project docs for container support. NiceGUI: yes.
Which is lighter on resources, marimo or NiceGUI?
NiceGUI has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for marimo. Real-world usage depends on library size, user count, and enabled features.