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GitHub recently published this year's Octoverse, the state of the open-source ecosystem.

Below are my key takeaways:

AI doesn t replace developers it brings more people into the ecosystem. A new developer joined GitHub every second in 2025. Top 5 developer populations: 1. United States, 2. India, 3. China, 4. Brazil, 5. United Kingdom.
Open source remains the foundation. Fastest-growing OSS projects by contributors include @Zen Browser, @VS Code, and AI-focused @Continue.
TypeScript is now the most used language on GitHub, overtook both Python and JavaScript. The AI effect? 80% of new repositories used just six languages: Python, JavaScript, TypeScript, Java, C++, and C#.
Gen AI is now standard in development. 1.1M public repositories now use an LLM SDK.
Agents are here. Coding agents created 1M+ pull requests (PR) in the last 6 months, and it's just getting started.

GitHub recently published this year's Octoverse, the state of the open-source ecosystem.

Below are my key takeaways:

AI doesn t replace developers it brings more people into the ecosystem. A new developer joined GitHub every second in 2025. Top 5 developer populations: 1. United States, 2. India, 3. China, 4. Brazil, 5. United Kingdom.
Open source remains the foundation. Fastest-growing OSS projects by contributors include @Zen Browser, @VS Code, and AI-focused @Continue.
TypeScript is now the most used language on GitHub, overtook both Python and JavaScript. The AI effect? 80% of new repositories used just six languages: Python, JavaScript, TypeScript, Java, C++, and C#.
Gen AI is now standard in development. 1.1M public repositories now use an LLM SDK.
Agents are here. Coding agents created 1M+ pull requests (PR) in the last 6 months, and it's just getting started.

EXPOSE's code is not only hosted on GitHub, but also uses a number of features such as WebHooks (for access authorisation when adding a star to a repository, etc.) and GitHub Sponsors.

GitHub aids OutyPlay's development by providing robust tracking through milestones, helping us plan and deliver features effectively.

An essential tool when you are a dev or any tech! Very good documentation. Good community. I love the "insights" tab! One tiny thing: customer support is quite slow (but they answer!)

EXPOSE's code is not only hosted on GitHub, but also uses a number of features such as WebHooks (for access authorisation when adding a star to a repository, etc.) and GitHub Sponsors.

GitHub aids OutyPlay's development by providing robust tracking through milestones, helping us plan and deliver features effectively.

An essential tool when you are a dev or any tech! Very good documentation. Good community. I love the "insights" tab! One tiny thing: customer support is quite slow (but they answer!)

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The State of Open Source 2025 - Key Takeaways