Replace / Google Colab
Best free Google Colab alternatives (open source, self-hosted) 2026
The best open-source alternative to Google Colab is JupyterHub or marimo, self-hosted on Railway. Notebooks you host. JupyterHub is BSD-3-Clause; marimo is Apache-2.0 — Google Colab without the hosted runtime seat.
Estimated save $1,200 a year.
Open the stackStart on Railway
How Google Colab compares
| Google Colab | JupyterHub / marimo | |
|---|---|---|
| Pricing model | Hosted subscription | Open-source or fair-code license; you pay the host |
| Hosting | Vendor cloud | Self-hosted on Railway or any VPS |
| Rough monthly cost | Public list price not verified this run | Hosting only — no SaaS seat meter in this repo |
- JupyterHub
BSD-3-Clause multi-user notebook server — the published Colab path
- marimo
Apache-2.0 reactive Python notebook
FAQ
- What is the best free open-source Google Colab alternative?
- The best open-source alternative to Google Colab is JupyterHub or marimo, self-hosted on Railway. Notebooks you host. JupyterHub is BSD-3-Clause; marimo is Apache-2.0 — Google Colab without the hosted runtime seat.
- Is it free?
- The JupyterHub / marimo licenses are open source or fair-code. You still pay hosting (Railway or any VPS) and any APIs the stack calls. There is no Google Colab seat or task bill on this path.
- Can I migrate from Google Colab?
- Yes. Start with the workflows or data you actually use, then cut over. The JupyterHub / marimo stack page has the agent prompt and the cost table; most teams rebuild the slice that matters and leave old Google Colab links until they expire.
- How do I deploy it?
- Open the JupyterHub / marimo stack, copy the agent prompt, and deploy on Railway (one service, PORT, and a volume when the app needs disk). Placeholder: JupyterHub (proxy plus a spawner) or marimo plus a volume for notebooks. Bind HTTP to 0.0.0.0:$PORT. No one-click template in this repo yet — Start on Railway. Cited research stays on /stacks/surfsense-research.
- What does this replace?
- Google Colab. The published small-team estimate on this stack is $1,200 a year.
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