Spanish-language Linux distributions

Trisquel (full name Trisquel GNU/Linux) is a computer operating system, a Linux distribution, derived from another distribution, Ubuntu. The project aims for a fully free software system without proprietary software or firmware and uses a version of Ubuntu's modified kernel, with the non-free code (binary blobs) removed. Trisquel relies on user donations, as a non-profit group. Its logo is a triskelion, a Celtic symbol. Trisquel is listed by the Free Software Foundation as a distribution that contains only free software.

Cuban state-sponsored Linux distribution

Guadalinex was an Ubuntu-based operating system promoted by the government of Andalusia (Spain). It is used in schools, public libraries, centers for elderly people and Guadalinfo centers.

Scientific Linux distribution

LliureX () is a project of the Generalitat Valenciana with the goal of introducing new ICTs based on free software in the Valencian Community education system.

Linux distribution

Molinux was an operating system based on Ubuntu sponsored by the autonomous community of Castilla-La Mancha and the Fundación Ínsula Barataria.