Cousine was designed by Steve Matteson as an innovative, refreshing sans serif design that is metrically compatible with Courier New™. Cousine offers improved on-screen readability characteristics and the pan-European WGL character set and solves the needs of developers looking for width-compatible fonts to address document portability across platforms.

Cousine Powerline is derived from Cousine for Powerline users. The Powerline symbols is being made by Kim Silkebækken. The patch work is being undertaken by Loic Pefferkorn.