Granma: articles from the Communist Party of Cuba
teleSUR: news network sponsored by the governments of Venezuela, Bolivia, Cuba, and Nicaragua
EL PAÍS: bourgeois Spanish propaganda outlet (which uses simple Spanish)
Spanish Grammar in Context
Books in English and Spanish side-by-side
The "Language Transfer" series on Spanish, can be streamed or downloaded as an archive
Podcast de Granma, the podcast of the aforementioned Granma
Butterfly Spanish: YouTube channel with Spanish lessons
How to Spanish: podcast and lessons
Jabiertzo: casual YouTube channel with videos in/about China
Linguriosa: YouTube channel that discusses quirks of Spanish grammar, etymology, language history, etc.
Duolingo's Spanish course
Beelinguapp
LingQ