Eiffel Software is a company renowned for developing the Eiffel programming language, a strongly typed, object-oriented language designed to support software robustness and quality. Known for its principle of "Design by Contract," Eiffel aims to facilitate the production of error-free code from the outset, which increases software reliability. Eiffel Software offers tools and an IDE that cater to developers looking to leverage this programming language for creating scalable and maintainable software systems.