Chez Scheme is a robust programming language and its implementation, designed for utility and efficiency. It is based on the Revised⁶ Report on the Algorithmic Language Scheme (R6RS), offering comprehensive support for standard Scheme features such as first-class procedures, continuations, user-defined records, and hygienic macro expansion. The environment supports multiple threads, non-blocking I/O, and extensive interfacing with C and other languages, making it versatile for various programming tasks.

The implementation includes a powerful compiler and run-time system, ensuring that all code is compiled by default, optimizing machine code generation. It features on-the-fly compilation and allows precompilation of source files. The run-time system manages binary and Unicode I/O, dynamic memory allocation, and includes a source-level debugger and profiling tools. Detailed documentation is available, providing a solid foundation for both beginners and experienced programmers.