ast-index is a powerful command-line interface (CLI) designed for structural code search across various programming languages and platforms. This utility supports a wide range of languages, including Android/Kotlin/Java, iOS/Swift/ObjC, and TypeScript, among others. Its native Rust implementation ensures high performance and speed, making it suitable for large codebases and multiple project types.

The program is particularly helpful for developers who need to quickly locate specific code segments or understand code structures in complex projects. With its free license, ast-index provides an accessible solution for those working with languages like Ruby, C#, PHP, Python, Go, Perl, C++, and Protocol Buffers. This versatility makes it an essential tool for modern software development, enhancing productivity and code management.