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Rym for Taipy

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9 Open-Source Tools to Build Better Data Apps in 2025

Python developer always lookout for tools that streamline workflow, help ship faster, and make data apps more powerful.

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Here are 9 incredible open-source tools that will help you build better data applications. Whether you're into data visualization, scenario management, or full-on data orchestration, these tools are must-haves for your 2025 toolbox.

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1. Taipy - Simplify Complex Data Workflows

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Taipy is an open-source Python library that helps you build AI & Data web application including data-driven GUIs and automate scenario management.

๐Ÿฆพ Itโ€™s perfect for developers who need to create custom analytics dashboards without dealing with frontend headaches. Plus, it integrates easily with other tools like Databricks or IBM Watson, so no need to change your coding environment, and uses other libraries charts and components like Matplotlib, Plotly... saving you loads of development time.

  • Scenario Management
  • User-Friendly GUI
  • Python Integration

Taipy

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2. Composio - Access +150 Tools in Just One Line of Code

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For those aiming to build AI applications, you know that it's a nightmare to accomplish complex automation. You have to pass with success the connection of external tools such as GitHub, Jira, Notion, Discord... to your AI agent.

๐Ÿฆพ Composio makes it super easy to connect over 150 tools, from system tools to SaaS apps and applications with AI models to accomplish agentic automation.

  • Managed Auth
  • 90+ Tools - Ready to Connect
  • Powerful RPA tools

Composio
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3. Shadcn - Streamline Your Environment

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Beautiful, ready-to-use components for your applications
Creating visually appealing custom components can be a time-consuming task. Shadcn simplifies this by offering beautifully designed, reusable components built with Radix and Tailwind. You can easily copy, paste, and customize them to fit your apps.

๐Ÿฆพ This saves significant time compared to building similar components from scratch. Just find the component you need in Shadcn, copy it, paste it into your app, and you're all set.

Shadcn supports most popular front-end libraries and frameworks, including React, Next.js, Astro, Gatsby, and Remix.

  • Consistent environments across machines
  • Easy packaging of applications and dependencies
  • Simplifies deployment and setup

Shadcn
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4. FastAPI - API Builder in Python

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FastAPI is a high-performance framework for building APIs with Python.

๐Ÿฆพ If you need to serve your machine learning models or any backend functionality, this is the fastest, developer-friendly option out there.

  • High Performance
  • Automatic Documentation
  • Ease of Use

FastAPI
Star โญ the repo


5. Postman - API Testing Made Easy

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APIs are the backbone of any full-stack application, and Postman makes testing them a breeze.

๐Ÿฆพ With its clean interface, you can easily send requests and verify responses. Whether youโ€™re working with complex authorization flows or just testing a simple GET request, Postman keeps everything organized and easy to manage. Itโ€™s essential for quick API development and testing.

  • Clean and intuitive interface for testing APIs
  • Supports complex authorization flows
  • Organizes and saves requests for easy management

Postman
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6. GitHub Copilot - Your AI Coding Buddy

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Ever wish you had a coding buddy to help with boilerplate code or suggest the best way to refactor a function? GitHub Copilot is here to do just that. This AI-powered tool integrates with VS Code and gives you smart code suggestions in real time.

๐Ÿฆพ It can suggest entire code blocks or help you find the right function name, cutting down on repetitive tasks and making your coding sessions much more productive.

  • Real-time code suggestions
  • Helps write boilerplate and repetitive code
  • Integrates seamlessly with VS Code

GitHub Copilot
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7. DVC (Data Version Control) - Collaborative Design Tool

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๐Ÿฆพ Version control is vital for managing machine learning projects, and DVC brings Git-like capabilities to data. Whether youโ€™re tracking datasets or sharing results across teams, DVC integrates perfectly with your usual Python tools.

  • Data Versioning
  • Pipeline Management
  • Storage Agnostic

DVC
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8. MLflow - End-to-End Machine Learning Lifecycle Management

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MLflow is an open-source platform for managing the end-to-end machine learning lifecycle. It covers everything from experimentation and reproducibility to deployment.

๐Ÿฆพ Python developers appreciate its robust integration with libraries like Scikit-learn and TensorFlow.

  • Experiment Tracking
  • Model Registry
  • Integration with ML Libraries

MLflow
Star โญ the repo


9. Airflow - Automate your Workflow

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Apache Airflow is a powerful workflow automation tool.

๐Ÿฆพ While it takes more setup than some other tools, it offers incredible flexibility and is ideal for orchestrating complex data applications.

  • Directed Acyclic Graphs (DAGs)
  • Extensibility
  • Scheduler and Monitoring

Airflow
Star โญ the repo


These tools, especially when used alongside Taipy, make it easier for Python developers to move fast and create sophisticated, production-ready data applications. Whether you're a data scientist, a backend developer, or just curious about building great data-driven experiences, these tools will save you time and make your projects more impactful.

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๐Ÿ’ญ Which of these tools have you already tried? Did I miss your favorite time-saving tool?
Drop it in the comments, and letโ€™s help each other code smarter, not harder!

Top comments (18)

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avisheks profile image
Avishek sharma • Edited

Insomnia is much easier to use than Postman, which I found to be quite beneficial for simple tests.
Taipy is really good, provided you want to host your apps in a python supported cloud(as it runs a flask server).

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rym_michaut profile image
Rym

ow didn't know about Insomnia, I'll give it a try.
And yes, Taipy is the best, my favorite one :D

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perisicnikola37 profile image
Nikola Periลกiฤ‡

Good article, but please update thumbnail with some better quality. My eyes are hurted xd

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rym_michaut profile image
Rym

I know! I'm hurt as well. But Dev.to reduces the quality of the image and I don't know how to avoid that. Any advice?

Image description

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rym_michaut profile image
Rym

even here it has reduced it... :( @perisicnikola37

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stphane_m_91e8e0fc profile image
Stรฉphane M.

Nice list, I'm new at open source. I knew about Taipy, but not the others.

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rym_michaut profile image
Rym

Check them out, they're pretty good and helpful, especially for beginners!

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stphane_m_91e8e0fc profile image
Stรฉphane M.

I love the new picture :)

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anudhyan profile image
Anudhyan

This so insightful, Rym!

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rym_michaut profile image
Rym

thank you @anudhyan, glad it helped

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guerbichaut profile image
Luvly

Haha, I love the cover picture, Pikatchu is one of the most famous pop culture cartoon character
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BTW, nice list ๐Ÿ˜†

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sadya_guerbi profile image
Sadya Guerbi

Hey Rym, nice article, thanks for this list.

Haven't heard of DVC before... I'll check this out

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rym_michaut profile image
Rym

I've tried it and it's pretty cool for versioning

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utpal_das_f59c365d2038966 profile image
Utpal Das

Insightful!

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rym_michaut profile image
Rym

thank you, glad you liked it

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prajjwal_pathak_b5bf4d8c6 profile image
Prajjwal Pathak

Thankyou for sharing this, it's really insightful

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rym_michaut profile image
Rym

thank you @prajjwal_pathak_b5bf4d8c6 I'm glad you liked it

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FECommunity

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