Sin Permiso is a Spanish-language publication focused on politics, society, economics and ideas from a critical, left-wing perspective. Its motto, “Republic and socialism, also for the 21st century,” reflects an interest in democratic and socialist traditions and their relevance to contemporary issues. The website publishes articles by a range of named writers and contributors, covering topics such as labor, inequality, climate adaptation, international relations, public policy, economics, artificial intelligence and political movements.

Readers can browse recent articles, search the archive of more than 18,000 documents, and explore historical material and themed collections. Sin Permiso also offers a print edition and publishes monographs, including downloadable books in PDF format. The site provides an email subscription for news and updates, and invites donations to support its work.

It is associated with Asociación SinPermiso, which is identified as the organization responsible for managing subscribers’ personal data. Overall, Sin Permiso serves as an editorial platform for analysis and debate on current affairs and social change