ECCO is a Danish shoe manufacturer. The company was founded in 1963 in Bredebro, and now operates more than 3,000 shops worldwide, selling an extensive range of men's and women's shoes, and manufactures 12 million pairs of shoes each year. The company is owned by Hanna Toosbuy Kasprzak, daughter of founder Karl Toosbuy who died in 2004.

ECCO is a web-based IDE. In other words is an online development environment with file manager, console interface for compiling and execution of code and an editor with syntax highlighting, tabs and support for many languages and accessed with a browser

John Lilly's acronym for the Earth Coincidence Control Office. A hypothetical hierarchy of entities who manage "synchronicities" in a fashion intended to accelerate the motion of human beings along their psyche-spiritual evolutionary pathways. For more details, see E.C.C.O.

Estero Concerned Citizens Organization A community based group formed to address the development of Coconut Point, which later evolved into the ECCL.

EC Co-ordination (EU expert peer review groups)