Cline: The Fastest Growing AI Open Source Project on GitHub in 2025, Thanks to You

Cline, initially a non-winning hackathon project, has rapidly evolved into GitHub's fastest-growing open-source AI project as of 2025, with a remarkable 4,704% increase in contributors over the previous year. This growth is attributed to the collaborative efforts of developers who have optimized its functionalities, such as connecting to databases and improving system prompts, resulting in over 3.8 million installations and widespread use in platforms like VS Code and JetBrains. Cline serves as an empowering tool, particularly for developers transitioning into tech, by enabling them to make significant contributions with AI's assistance, as demonstrated by users like Damian Arnsdorff and Tomas who have found the tool invaluable for learning and contributing without extensive prior experience. This success story underscores the importance of community, agency, and transparency in open-source projects, encouraging new contributors to pursue their interests and enhance the platform's capabilities, thereby fostering a culture of creativity and collaboration.