CJIT is a lightweight, open-source C interpreter developed by Dyne.org that allows developers to run C code instantly without the need for compilation. Designed to streamline the development and testing process, CJIT supports rapid iteration by eliminating traditional build steps.

This tool is particularly useful in educational settings, prototyping environments, and system scripting where real-time feedback is critical. Its just-in-time execution model enhances productivity for developers working on embedded systems, performance tuning, or teaching programming concepts. Being both free and open source, CJIT promotes accessibility and community-driven improvements, aligning well with agile development methodologies and minimalist toolchains. For businesses focused on speed and flexibility in low-level programming contexts, CJIT presents a practical solution to reduce overhead and accelerate experimentation with C code.

Image Credit: CJIT