Open Source Software
Open source software is software whose source code is freely available for anyone to view, modify, and distribute. From Linux and PostgreSQL to React and TensorFlow, open source powers most of the mod…
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Definition
Open source software is software whose source code is freely available for anyone to view, modify, and distribute. From Linux and PostgreSQL to React and TensorFlow, open source powers most of the modern technology stack. Indian developers are among the largest contributors to open source globally, and Indian companies like Razorpay, Zerodha, and Postman actively contribute to the ecosystem.
Key Points
- Source code is publicly available — transparency and community-driven development
- Licensing: MIT, Apache 2.0 (permissive), GPL (copyleft) — understand before using
- Most modern tech stacks are built on open source: Linux, PostgreSQL, React, Python
- Contributing to open source builds skills, reputation, and community connections
Related Terms
Frequently Asked Questions
Yes, most open source software can be used commercially. Permissive licenses (MIT, Apache 2.0) allow commercial use with minimal restrictions. Copyleft licenses (GPL) require that derivative works also be open source. Always check the specific license. Most popular tools (React, Node.js, PostgreSQL, Docker) use permissive licenses.
Open source contributions provide: real-world coding experience on large codebases, visibility to potential employers (many companies check GitHub profiles), networking with global developers, deeper understanding of the tools you use daily, and the satisfaction of giving back to the community that enables your work.
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