Instead of marimo
marimo alternatives
marimo is a free, open-source Python notebook built around reactive execution: when code changes, dependent cells run or are marked stale. Its notebooks are plain Python files that work with Git, can run as scripts or interactive web apps, and can execute in browsers through WebAssembly. It also brings SQL cells, interactive controls and plots, package requirements in notebook files, and integrations with editors and AI services. Those features make it a fit for reproducible data work as well as building apps.
- 1
Replit
by ReplitFree plan AndroidiPhoneLinux+3Browser-based app building with free daily usage — Replit offers a general app-building environment with free daily usage, while marimo centers on reactive Python notebooks and data work.
Free plan · paid from $18/mo (annual) Visit site - 2
GitHub Codespaces
by GitHub CodespacesFree plan AndroidAPIExtension+5Configured cloud development environments for repositories — Codespaces provides Docker-based cloud development environments defined by repository configuration, unlike marimo's reactive notebook workflow.
Free plan · paid from $0.18 Visit site - 3
Playcode
by PlaycodeFree plan AndroidAPIExtension+6Web-based coding projects with private project options — Playcode offers web-based coding projects with private projects, whereas marimo focuses on reactive Python notebooks and data workflows.
Free plan · paid from $25/mo Visit site - 4
JupyterLab
by JupyterLabFree plan Open source APILinuxMac+3Notebook work alongside editors, terminals, and file formats — JupyterLab combines notebooks with text editors, terminals, consoles, and broad file-format support; marimo instead emphasizes reactive Python notebooks stored as Python files.
Free plan Visit site - 5
Coder
Free plan Open source APIExtensionLinux+4Self-hosted development environments and coding agents — Coder runs self-hosted cloud development workspaces on customer-controlled infrastructure and supports delegated AI agent work, unlike marimo's notebook-centered product.
Free plan Visit site - 6
AWS Cloud9
Free plan LinuxWebBrowser IDE work tied to AWS and Lambda — Cloud9 is a browser-based IDE with AWS Lambda and SAM tools, while marimo is a reactive notebook for Python data work and apps.
Free plan Visit site - 7
Datalore
by DataloreFree plan APILinuxSelf-hosted+1Collaborative Jupyter-compatible data science notebooks — Datalore offers collaborative Jupyter-compatible notebooks with Python, Kotlin, Scala, and R assistance, while marimo is a reactive Python notebook.
Free plan · 14-day trial Visit site - 8
- 9 7.4 Visit site
- 10
- 11
- 12
Codeground AI
Free plan LinuxMacWeb+1 - 13
JuliaHub
Free plan APILinuxSelf-hosted+2 - 14
Kaggle Notebooks
Free plan APIWeb - 15
- 16
Val Town
Free plan APIWeb - 17
JSFiddle
Free plan APIWeb - 18
LiveCodes
Free plan APISelf-hostedWeb - 19
- 20
- 21
Salesforce Code Builder
Free plan ExtensionWeb7.2 Visit site - 22
ZYVA Cloud IDE
Free plan LinuxMacWindows - 23
- 24
- 25
- 26
- 27
OnlineGDB
Free plan Web - 28
- 29
CodeHS
Free plan AndroidiPhoneWeb - 30
REMOSSH
Free plan AndroidiPhoneLinux+3 - 31
OpenVSCode Server
Free plan ExtensionLinuxSelf-hosted+1
Readers may look elsewhere if they need a general cloud development environment, a broader notebook workbench, or tools for a particular deployment model. marimo lists Linux, macOS, Windows, web, and self-hosted options, but its free hosted molab sessions are limited to 12 hours and notebooks are public by default; marimo cloud is in closed beta with no listed price. When switching, weigh whether you need notebook-first reactive execution or a full coding environment, which languages and access methods matter, and whether you prefer hosted infrastructure or control over where workspaces run.