The article showcases 10 hidden GitHub gems that offer unique and useful functionalities for developers.Rough.js adds a hand-drawn, sketchy feel to graphics, giving websites a more human touch.GPT-3 Sandbox allows experimentation with AI without requiring expertise in machine learning.Tone.js turns browsers into music studios, offering tools to create music on web pages.Kaboom.js simplifies game development, making it quick and easy to create games.Brain.js simplifies neural network usage, making it accessible to non-experts.Chroma.js helps with color manipulation, providing harmonious color schemes for designs.Chart.js enables the creation of interactive charts directly in web applications.Anime.js facilitates smooth and complex animations for web projects.Quill simplifies rich text editing implementation in web applications.Cleave.js offers real-time input field formatting for improved user experience.