Web Development

• HTML → html.com
• CSS → web.dev/learn/css
• JavaScript → javascript.info
• React → reactjs.org / reactplay.io
• Vue → learnvue.co
• Angular → angular.dev/tutorials
• Next.js → nextjs.org/learn
• API → rapidapi.com/learn

Backend & Languages

• Python → learnpython.org
• PHP → phptherightway.com
• Go → learn-golang.org
• Rust → rust-lang.org/learn
• C++ → cplusplus.com/doc/tutorial
• Java → docs.oracle.com/javase/tutorial
• C# → dotnet.microsoft.com/learn/csharp
• TypeScript → typescriptlang.org/docs