If you're a developer, staying updated with the best open-source tools is a surefire way to boost productivity and deliver impactful projects.
Here, I've curated a list of 12 open-source tools that are game-changers for various aspects of modern software development—from AI integration to app building. Whether you’re working on data-driven apps, AI tools, or collaboration software, these are some of the most exciting tools you should explore in 2025.
1. Taipy - Build Python Data & AI web applications
Taipy is an open-source Python library that helps you build AI & Data web application including data-driven GUIs and automate scenario management.
➕ It provides a complete solution for building data apps, saving developers significant time and reducing complexity. It combines an intuitive GUI tool for designing dashboards with comprehensive scenario management capabilities, perfect for data scientists and analysts.
Key features:
- Test multiple data simulations seamlessly.
- Build fully customizable dashboards entirely in Python.
- Real-Time Data Visualization
2. Composio - Access +150 Tools in Just One Line of Code
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.
➕ 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.
Key features:
- Managed Auth
- 90+ Tools - Ready to Connect
- Powerful RPA tools
3. Postiz - Schedule your posts like a pro with AI.
Postiz is an open-source tool for automating and optimizing social media post scheduling.
➕ It offers a straightforward way to manage and debug APIs, improving collaboration and reducing development time. It provides a centralized platform to manage and debug APIs without hassle.
Key features:
- Optimal Timing Analysis
- Hashtag Generation
- Team Collaboration
4. LLMWare - Deploy & manage large language models with ease
LLMWare provides the tools necessary to integrate, deploy, and monitor large language models in production environments.
➕ It makes integrating AI models simple, enabling developers to create smarter applications with minimal effort. It focuses on simplifying the way these models interact with user data.
Key features:
- Optimize models for environments with limited resources.
- Utilize dashboards to monitor model performance in real time.
- Implement models quickly with a straightforward API.
5. Copilot Kit - Add a layer of AI assistance to your projects with just a few lines of code.
Copilot Kit is a modular development kit designed to integrate AI-powered assistants into your applications or systems.
➕ It enhances productivity by providing real-time coding suggestions, reducing bugs and speeding up development. It utilizes open AI models to assist coding and provide real-time suggestions
Key features:
- Multi-language support for optimal customization.
- Easy Integration with OpenAI and other large language models.
- Comprehensive Documentation with interactive examples.
6. Julep AI - Build scalable AI workflows in minutes
Julep is a minimalist yet powerful framework for building fast and lightweight web applications.
➕ It improves data reliability by offering quality monitoring, making data workflows more efficient and robust. It provides a user-friendly interface to manage, monitor, and improve data workflows.
Key features:
- A lightweight and performant routing system.
- Built-in support for RESTful APIs.
- Extensible architecture through a robust plugin ecosystem.
7. Traceloop - Debug distributed applications in real time.
Traceloop is a real-time debugging tool for distributed applications, offering clear data flow visualizations.
➕ It helps developers solve issues faster by providing real-time tracing without disrupting services. It traces processes in real time, helping you understand what’s going wrong without disrupting services.
Key features:
- Real-time tracing of distributed systems.
- Visualizes data interactions for better insight.
- Supports multiple cloud environments for flexibility.
8. Classiq - Easily design and simulate quantum circuits
Classiq simplifies quantum circuit design, enabling researchers and developers to simulate quantum operations.
➕ Python developers appreciate its robust integration with libraries like Scikit-learn and TensorFlow. It simplifies quantum computing, allowing developers to create quantum algorithms without deep expertise. It helps developers design quantum algorithms without deep quantum expertise.
Key features:
- Intuitive tools for designing quantum circuits.
- Integrates with major quantum platforms for a seamless workflow.
- Real-Time simulation and analysis capabilities.
9. ToolJet- Build custom Business Applications. Fast
ToolJet is an open-source low-code platform for creating business applications, compatible with various databases and APIs.
➕ It enables rapid development of internal tools without extensive coding, making it ideal for non-developers. It integrates with different data sources and provides a visual builder to create interfaces without coding from scratch.
Key features:
- Drag-and-Drop Builder for quick UI creation.
- API Integrations with external APIs for extended functionality.
- Role-Based Access Control for user management
10. Keep- Swiss-knife for managing alerts/events at scale
Keep offers a secure way to manage secrets and configurations for modern applications.
➕ It ensures critical alerts are never missed, improving incident response times and team coordination. It helps ensure you never miss critical notifications by integrating with various services.
Key features:
- Robust encryption for sensitive data.
- Integration with popular cloud platforms.
- Versioning and auditing of configurations.
11. Digger- Deploy cloud infrastructure quickly with simplified IaC.
Digger simplifies infrastructure-as-code workflows, enabling rapid cloud resource deployment.
➕ It streamlines infrastructure deployment, reducing manual tasks and speeding up the CI/CD process. It offers out-of-the-box compatibility with major cloud providers.
Key features:
- Terraform integration for infrastructure automation.
- Pre-configured templates for common use cases.
- Collaboration tools for team-based deployments.
12. Skyvern- Automate browser-based workflows with LLMs and vision
Skyvern automates browser-based workflows using LLMs and computer vision. It provides a simple API endpoint to fully automate manual workflows on a large number of websites, replacing brittle or unreliable automation solutions.
➕ It relies on prompts in addition to computer vision and LLMs to parse items in the viewport in real-time, create a plan for interaction and interact with them.
Key features:
- Automated data extraction from web pages.
- Customizable workflows using AI.
- Integration with headless browsers for scaling.
These 12 tools offer something for everyone, whether you're focusing on AI integration, app development, or workflow automation. Which tools have you used or are excited to try? Let’s keep the conversation going in the comments!
💭 By contributing to and integrating these tools into your projects, you not only advance your own skills but also support the vibrant open-source community that drives continuous progress in our industry.
Top comments (23)
Thanks! Here are some more great open-source projects:
hey @hosseinyazdi thanks for this list.
Check the list before sharing, CopilotKit is already there 😉
Hi! I skimmed through the list and didn't focus on their name, but thanks for pointing that out! 😊
Nice list :)
thanks :)
Thanks for mentioning Composio @rym_michaut . Super excited to see what you guys are going to build.
welcome @sunilkumrdash 😉
Digger is fire!
Nice cover :)
haha, I like DC comics :)
didn't know about Skyvern, thanks, I'll give it a try
@johnywoods12 I discovered it lately
I like Classiq's design... does the app looks as futuristic? 😂
haha, hope you won't be disappointed 😅
Postiz looks impressive... I'll give it a try. Thanks
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Has anyone tried JulepAI yet?
Thanks, some notes:
So I hope this wasn't just about plugging your own repo as first placed.
ow thanks, I realized it for Postiz, a bad copy/paste.
Let me check for the others.
Thanks a lot for pointing the issues :) much appreciated
there was an additional ( in the Classiq cta code 😑
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