Best Project Mercury Alternatives ranked by AI · updated Sep 2026

Mercury is an open-source Python framework for turning Jupyter notebooks into interactive web apps, dashboards, and reports. It is aimed at data scientists who want to share notebook-based work with users who may not use Jupyter.

Developer: MLJAR Price: Free and open source; hosted options available 🎯 techcenterdk.wordpress.com

🔓 Open Source Dashboards Python data apps jupyter

Top 6 Project Mercury alternatives

Streamlit

Snowflake

💡 Pick it for the fastest path from a Python script to a shareable data app.

Streamlit is a Python framework for building interactive data applications, including editable and configurable dataframes. Its table components support sorting, selection, column...

Pros

Much simpler Python workflow than Dash DataTable
Built-in dataframe display and editing for rapid data apps
Works naturally with pandas and common Python data tools

Cons

Less control over table layout and callbacks than Dash
Not a dedicated grid with AG Grid-level grouping or pivoting
Rerun-based execution can complicate complex table interactions

Free, open source; paid hosting available

Alternatives to Streamlit → Visit site

Dash

💡 Pick it when you need production-grade analytical dashboards with detailed UI and callback control.

Dash is a Python framework for building analytical web applications.

Pros

Create interactive web apps with Python
Easy to deploy
Supports real-time updates

Cons

Less focused on data visualization compared to Bokeh

Free

Alternatives to Dash →

Gradio

Hugging Face

💡 Pick it for quickly turning a machine learning model or Python function into an interactive demo.

Gradio is an open-source Python library for building web interfaces around machine-learning models, functions, and APIs. It is aimed at ML developers...

Pros

Simpler than Streamsync for model demos and interactive function wrappers
Excellent support for image, audio, video, and other ML inputs
Strong integration with Hugging Face Spaces and model ecosystems

Cons

Less suited to complex business dashboards than Streamsync
Layout and application-state control are more limited than Dash
Production multi-page applications may require additional architecture

Free and open source; hosted Spaces plans available

Alternatives to Gradio → Visit site

Voilà

QuantStack

💡 Pick it if you want a minimal, free way to publish Jupyter notebooks as interactive apps.

Voilà converts Jupyter notebooks into standalone interactive web applications without exposing the underlying code. It is designed for analysts and educators who...

Pros

Preserves existing Jupyter notebooks and ipywidgets with minimal rewriting
Hides source code from end users by default
Works well with the established Jupyter data-science ecosystem

Cons

Notebook execution and widget state can be less predictable in production
Requires more notebook discipline than Datapane's component model
Limited built-in application structure and navigation

Free and open source

Alternatives to Voilà → Visit site

Panel

HoloViz

💡 Pick it for flexible, visualization-heavy dashboards that outgrow Mercury's notebook-oriented model.

Panel is an open-source Python framework for building dashboards and applications with interactive tables and dataframes. Its Tabulator-based widgets support editing, filtering,...