👋 Hey community, Here are 7 exciting, beginner-friendly, and impactful open-source projects you can contribute to in 2025.
🟢 1. Mantine
A modern, fully-featured React component library with over 120 customizable components, hooks, and dark mode support. Mantine stands out for its ease of styling with emotion or vanilla CSS and its developer-friendly API.
🛠️ Good first issues: Bug fixes, accessibility improvements, documentation, new component ideas.
✅ Ideal for: React developers who want to work on beautiful, production-ready UI.
🔗 https://github.com/mantinedev/mantine
🔵 2. Next.js
The full-stack React framework for building scalable apps with features like server-side rendering, static site generation, API routes, and middleware. It powers thousands of production apps — contributions here directly impact the future of the web.
🛠️ Good first issues: Docs, improving examples, performance optimizations, fixing small bugs.
✅ Ideal for: Developers who want experience with production-grade full-stack React.
🔗 https://github.com/vercel/next.js
🟣 3. Chakra UI
A simple, modular, and accessible React component library focused on a design system approach. Chakra makes it easy to build consistent UIs with sensible defaults and style props, reducing the need for custom CSS.
🛠️ Good first issues: Enhancing documentation, adding new components, improving accessibility, fixing style bugs.
✅ Ideal for: UI-focused developers or designers who want to work on accessibility and design systems.
🔗 https://github.com/chakra-ui/chakra-ui
🟠 4. FastAPI
A blazing-fast Python web framework for building APIs using modern Python features like type hints and async. FastAPI is renowned for excellent documentation, automatic interactive docs (Swagger/OpenAPI), and developer productivity.
🛠️ Good first issues: Typos, documentation examples, small improvements in validation, adding test cases.
✅ Ideal for: Python developers passionate about web backends, APIs, or typing.
🔗 https://github.com/fastapi/fastapi
🟡 5. LangChain
A Python-first framework that simplifies building apps using large language models (LLMs) like OpenAI, Hugging Face, and others. LangChain is at the forefront of the LLM wave, enabling retrieval-augmented generation, agents, and more.
🛠️ Good first issues: Integrations with APIs, improving tutorials, adding unit tests, bug fixes.
✅ Ideal for: Developers excited about AI, LLMs, and the future of natural language apps.
🔗 https://github.com/langchain-ai/langchain
🔴 6. Streamlit
A Python library that turns scripts into shareable, interactive web apps — without frontend code. It’s widely used for data science dashboards, prototypes, and demos. Contributions directly help millions of data scientists.
🛠️ Good first issues: Enhancing widgets, fixing bugs in layout behavior, improving examples and docs.
✅ Ideal for: Python developers who want to bridge data science and UI.
🔗 https://github.com/streamlit/streamlit
🟢 7. Shadcn/ui
A beautifully designed, customizable component library built on Radix Primitives and Tailwind CSS. Shadcn/ui stands out for its modern patterns, typesafe components, and ease of integration with Next.js and other React frameworks.
🛠️ Good first issues: Contributing new components, enhancing documentation, fixing design inconsistencies.
✅ Ideal for: Frontend developers who love working with Tailwind and modern UI patterns.
🔗 https://github.com/shadcn-ui/ui
🚀 Ready to contribute?
Jump into any of these projects and start building your skills, portfolio, and community impact today!
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