A capstone course, also known as a synthesis and capstone project, senior synthesis, among other terms, is a project that serves as the culminating and usually integrative praxis experience of an educational program mostly found in American-style pedagogy.

a subsidiary of IntraCorp, a Miami-based computer and video game company.

a full service middle market investment bank headquartered in Boston, Massachusetts.

Capstone Green Energy Corporation, formerly Capstone Turbine Corporation, was incorporated in 1988 as a California based gas turbine manufacturer that specializes in microturbine power along with heating and cooling cogeneration systems.

AP Capstone, officially known as the Advanced Placement Capstone Diploma Program, is a 2-year program for high school students developed by the College Board that consists of two courses: the AP Seminar and AP Research.